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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Organization

Count of 1969 - 2008 Utility Patent Grants,
By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Originating From

PENNSYLVANIA

( patent origin is determined by the residence of the first-named inventor )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 539 462 549 584 593 629 531 441 464 450 318 400 415 357 307 388 356 376 440 368 483 495 459 473 435 529 494 539 466 691 706 632 578 514 477 438 328 416 326 275 18721
WESTINGHOUSE ELECTRIC CORP. 241 285 333 299 307 368 301 309 307 275 213 240 237 197 157 222 199 273 474 274 243 210 173 152 138 133 68 55 40 38 6 3 0 0 0 0 0 0 0 0 6770
PPG INDUSTRIES INC. 82 74 73 93 86 94 109 123 121 137 78 110 113 117 99 90 93 83 80 87 71 72 65 52 65 52 43 39 65 82 35 0 0 0 0 0 0 1 1 0 2585
AMP INCORPORATED 96 106 110 98 95 90 111 76 72 86 71 64 58 66 101 90 82 86 165 127 162 138 166 160 85 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2561
E. I. DU PONT DE NEMOURS AND COMPANY 59 59 53 67 49 48 68 71 54 43 22 34 47 31 57 58 41 49 49 54 64 65 87 82 81 75 66 51 41 48 36 43 56 53 52 39 39 57 66 58 2172
AIR PRODUCTS AND CHEMICALS, INC. 22 21 26 26 34 25 24 24 21 18 26 23 24 44 36 50 69 56 79 67 99 88 102 82 98 107 64 69 55 66 75 81 73 59 73 58 39 51 58 56 2168
ROHM AND HAAS COMPANY 31 38 27 54 51 70 42 49 80 79 68 63 68 40 48 36 26 27 21 16 27 30 42 55 86 110 97 86 52 54 69 64 63 57 61 70 49 55 38 32 2131
MERCK + CO., INC. 31 44 32 34 16 27 29 59 66 81 54 65 54 34 41 56 37 45 50 49 62 43 38 36 50 36 34 32 59 65 81 63 71 60 37 14 21 31 43 42 1822
ALCOA INC. 18 21 29 40 50 55 36 50 35 36 25 26 35 17 25 44 47 61 61 60 56 46 56 40 58 37 32 41 20 41 36 25 29 29 26 28 20 17 14 15 1437
UNISYS CORPORATION 99 102 89 69 39 51 42 62 55 39 54 53 66 52 69 68 62 30 8 7 4 8 13 11 5 9 14 26 12 15 14 17 22 20 19 24 22 12 14 22 1419
AMERICAN HOME PRODUCTS CORPORATION 92 116 83 91 76 78 122 76 50 43 22 33 30 24 16 20 23 20 15 34 28 26 17 24 23 11 26 39 15 16 23 19 31 27 1 1 0 0 1 0 1392
GENERAL ELECTRIC COMPANY 62 77 85 68 82 68 50 42 52 37 34 20 30 24 26 18 12 17 19 29 28 16 17 19 25 37 20 23 17 10 15 26 38 32 35 23 24 44 31 24 1356
AT&T CORP. 63 54 62 68 56 66 41 38 36 24 29 31 33 34 31 31 41 41 29 32 47 27 55 43 45 55 85 46 1 1 5 1 2 1 2 3 2 0 1 1 1263
GTE PRODUCTS CORPORATION 36 27 62 58 49 43 54 42 42 40 23 33 46 37 46 41 30 54 54 69 67 59 49 34 21 8 2 1 0 0 1 0 0 0 0 0 0 0 0 0 1128
RCA CORPORATION 27 33 63 45 32 45 47 48 54 45 31 53 61 70 57 81 74 96 99 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1093
SMITHKLINE BEECHAM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 14 9 13 4 21 18 50 84 161 170 223 128 61 22 16 22 23 24 1075
GULF RESEARCH AND DEVELOPMENT COMPANY 63 80 88 109 79 68 56 47 54 51 51 53 50 44 38 21 14 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 971
USX CORPORATION 66 81 81 78 99 61 60 58 44 51 24 27 30 17 18 19 17 16 9 3 2 1 1 4 2 1 2 9 3 4 5 7 2 1 0 2 0 0 2 0 907
WHITAKER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42 114 107 117 87 101 112 105 36 17 3 1 0 0 0 0 842
ARMSTRONG WORLD INDUSTRIES, INC. 27 29 27 23 34 41 25 32 39 60 26 35 25 20 28 33 15 34 15 19 24 17 18 29 18 12 12 15 8 14 10 10 12 2 1 10 0 0 0 0 799
LUCENT TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22 69 87 161 229 140 31 23 12 4 6 6 3 793
UNIVERSITY OF PENNSYLVANIA 0 0 4 1 2 2 1 2 5 4 3 1 1 1 2 4 5 1 2 1 6 18 17 23 30 32 23 39 50 65 54 29 45 36 25 29 37 42 38 38 718
MOBIL OIL CORP. 8 6 6 6 9 16 13 8 13 23 14 12 15 17 14 24 35 20 33 19 40 41 33 34 50 65 35 31 20 13 10 11 12 2 1 0 0 0 0 0 709
SMITHKLINE BECKMAN CORPORATION 51 38 25 31 37 45 58 78 42 59 28 14 16 17 4 16 16 14 27 19 21 4 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 664
UNITED STATES OF AMERICA, NAVY 36 34 27 25 38 27 41 29 12 17 8 20 14 9 16 15 15 11 14 6 12 5 42 22 13 29 14 15 6 5 6 4 3 3 6 2 1 7 7 6 622
EATON CORPORATION 11 9 10 5 4 3 7 1 2 1 1 2 3 0 0 0 0 0 1 1 0 0 0 0 0 8 28 34 18 36 62 37 42 48 45 42 33 38 32 41 605
PPG INDUSTRIES OHIO INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 76 80 56 64 53 46 55 42 59 590
BETHLEHEM STEEL CORPORATION 35 42 38 48 43 51 34 16 22 25 12 23 19 21 11 20 5 11 6 6 8 8 6 8 2 6 4 6 9 8 6 7 7 6 3 0 0 0 0 0 582
ATLANTIC RICHFIELD COMPANY 29 17 25 27 13 21 37 20 15 12 11 15 21 25 33 35 55 52 58 21 9 3 1 2 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 560
FMC CORPORATION 47 60 58 52 27 30 14 17 15 8 6 8 12 8 12 6 15 8 8 10 6 4 8 12 13 14 7 7 8 11 10 13 3 4 1 1 0 0 1 1 545
WESTINGHOUSE AIR BRAKE COMPANY 23 37 47 39 36 27 25 30 40 28 14 11 0 1 0 0 0 0 0 0 0 0 6 10 10 9 10 26 10 23 25 31 14 4 0 0 1 0 0 0 537
AGERE SYSTEMS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 21 113 92 59 74 81 76 518
KOPPERS COMPANY INC. 33 58 44 20 30 40 29 32 23 18 12 16 22 13 28 29 10 9 6 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 473
KENNAMETAL INC. 1 14 9 11 13 18 21 17 12 10 6 6 7 10 4 1 5 4 10 3 8 14 14 8 10 15 11 6 21 22 15 15 7 8 15 15 12 22 16 18 454
PENNWALT CORPORATION 45 31 28 26 24 27 22 26 15 23 15 12 18 15 14 23 12 12 16 8 16 23 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 452
UNIVERSITY OF PITTSBURGH 0 0 0 0 0 0 0 0 0 0 2 6 3 2 5 8 3 8 9 6 10 11 9 10 8 10 13 9 15 30 37 34 32 20 21 21 17 21 18 29 427
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 6 6 9 9 5 12 14 19 16 21 9 16 15 26 8 34 17 7 13 18 18 9 16 18 11 7 3 6 8 10 7 4 4 1 8 7 4 2 3 0 426
SUN OIL COMPANY OF PENNSYLVANIA 53 52 63 73 42 35 30 36 15 12 4 7 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 425
ARCO CHEMICAL TECHNOLOGY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31 42 32 42 48 45 42 35 27 16 26 14 10 12 1 0 0 423
PENN STATE RESEARCH FOUNDATION, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 10 16 19 18 25 34 32 48 40 44 36 25 27 24 21 423
TYCO ELECTRONICS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 27 43 69 48 74 58 62 395
CALGON CORPORATION 16 26 12 15 16 5 17 22 12 7 9 9 10 5 5 9 12 6 12 11 8 8 11 11 18 13 12 10 10 9 6 10 4 4 1 1 0 0 0 0 372
BETZ LABORATORIES INC. 8 6 3 9 6 17 43 14 5 8 9 6 7 7 7 7 8 4 15 13 13 21 10 25 22 25 26 24 2 0 0 0 0 0 0 0 0 0 0 0 370
ALLEGHENY LUDLUM STEEL CORPORATION 10 5 26 35 27 21 12 20 19 16 13 7 11 5 11 11 14 5 12 16 8 17 5 9 0 8 4 5 1 3 3 1 0 0 0 0 0 0 0 0 360
LORD CORPORATION 7 1 4 9 5 6 7 8 6 7 9 17 14 12 12 7 8 2 2 4 14 11 8 9 14 10 7 9 8 14 15 18 13 16 10 11 8 6 4 2 354
ROBERTSHAW CONTROLS COMPANY 25 20 20 16 17 21 10 24 18 13 5 10 10 8 4 9 4 3 6 2 7 7 12 17 15 15 8 1 1 2 3 3 2 1 0 0 0 0 0 0 339
HONEYWELL INC. 29 20 18 15 22 13 24 16 11 11 11 12 12 12 8 6 7 8 2 8 16 8 3 9 4 2 3 0 2 2 10 7 2 3 0 0 0 0 0 0 336
UNITED STATES OF AMERICA, ARMY 33 18 28 34 22 27 25 15 15 10 3 5 8 4 3 5 3 2 2 0 2 0 0 2 3 2 3 2 2 1 4 1 2 1 3 4 7 5 6 2 314
GENERAL INSTRUMENT CORPORATION 0 0 2 3 2 0 0 0 0 0 0 0 0 0 1 3 5 4 7 1 6 4 7 18 15 10 8 7 10 10 9 10 12 14 20 31 26 28 16 10 299
CARNEGIE-MELLON UNIVERSITY 0 0 1 0 0 1 1 2 1 4 1 0 0 0 0 3 3 3 1 2 4 3 5 10 4 7 10 12 8 25 27 31 11 17 20 22 7 25 13 11 295
MINE SAFETY APPLIANCES CO. 22 22 24 17 13 14 12 5 6 9 4 7 7 6 2 3 2 3 4 3 15 7 8 4 1 3 6 5 4 7 8 2 8 6 4 3 3 4 5 2 290
THOMAS JEFFERSON UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 9 1 2 2 1 7 4 4 5 7 7 9 12 20 21 24 23 32 26 17 8 5 4 7 2 264
BAYER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 39 28 37 21 33 32 21 19 2 1 1 0 0 248
WYETH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24 39 33 21 33 41 35 226
BRISTOL-MYERS SQUIBB COMPANY 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 3 6 17 3 7 5 8 15 25 21 17 37 31 21 219
OSRAM SYLVANIA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 9 8 17 23 19 21 19 11 13 12 15 8 12 16 9 214
BUDD COMPANY 22 20 27 13 11 5 7 5 8 4 2 11 19 7 10 16 10 1 7 3 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 211
NEW HOLLAND NORTH AMERICA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 22 14 22 26 25 17 16 23 25 1 0 0 0 211
BERG TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 13 15 18 30 21 37 38 20 6 3 1 0 0 0 203
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 78 119 3 1 0 0 0 0 201
FCI AMERICAS TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 10 37 21 22 20 21 32 36 201
BOEING COMPANY 5 12 11 4 2 4 11 5 0 3 3 6 6 10 6 4 6 1 4 10 9 2 6 2 9 7 5 2 3 3 1 2 3 2 1 8 4 3 8 7 200
DRESSER INDUSTRIES, INC. 40 16 14 11 6 8 6 9 4 10 2 2 4 1 1 5 10 5 2 6 11 5 4 4 4 2 0 0 2 1 2 2 0 0 0 0 0 0 0 0 199
FISCHER & PORTER COMPANY 9 8 7 8 11 10 10 13 21 15 9 9 11 8 10 7 3 6 4 11 5 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 198
INGERSOLL-RAND COMPANY 11 13 10 7 4 6 4 3 7 6 3 1 6 5 4 4 6 2 2 7 4 7 7 6 8 6 5 9 4 1 4 5 4 1 5 5 3 2 1 0 198
ROCKWELL INTERNATIONAL CORPORATION 13 9 17 8 9 12 14 9 14 9 14 16 21 2 8 7 4 3 2 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 197
LEEDS + NORTHRUP COMPANY 23 22 22 20 13 10 15 12 8 7 9 9 5 4 12 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 195
HERCULES INCORPORATED 13 8 1 9 5 3 9 5 8 6 1 1 9 8 9 9 5 3 6 3 0 3 2 9 5 5 2 4 5 6 4 4 7 11 3 0 2 0 0 0 193
LUTRON ELECTRONICS COMPANY, INC. 1 0 1 0 3 1 2 0 0 1 0 5 0 1 0 1 4 3 5 5 11 7 8 5 11 3 4 4 4 6 9 5 8 6 5 10 7 18 16 13 193
AMERICAN STERILIZER COMPANY 10 4 5 7 3 3 4 4 2 7 5 6 9 6 2 13 9 10 14 18 8 10 9 5 5 1 4 2 1 0 0 1 0 0 0 0 0 0 0 1 188
SCOTT PAPER CO. 14 6 5 6 17 18 14 10 11 15 6 8 4 7 6 3 4 0 4 2 6 5 3 3 1 6 1 2 0 0 0 0 0 0 0 0 0 0 0 0 187
HON HAI PRECISION IND. CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 32 46 39 15 22 11 14 185
I-T-E IMPERIAL CORPORATION 10 21 29 17 23 32 18 12 10 4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 178
ELECTRIC POWER RESEARCH INSTITUTE, INC. 0 0 0 0 0 0 0 0 1 19 18 11 22 13 6 14 5 3 2 7 9 2 7 4 3 12 2 6 3 5 1 0 1 0 1 0 0 0 0 0 177
GAF CHEMICALS CORPORATION 16 23 11 26 20 28 13 16 2 4 6 2 2 2 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 176
TEMPLE UNIVERSITY 1 1 1 4 2 3 0 2 2 3 5 1 1 2 0 1 0 1 4 7 10 8 2 13 9 9 9 7 9 6 5 4 6 8 10 5 2 7 4 2 176
FORD NEW HOLLAND, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 26 28 28 33 21 23 4 0 0 0 0 0 0 0 0 0 0 0 0 0 173
ARLINGTON INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 1 2 5 5 13 17 14 20 17 13 21 21 16 170
MCNEIL-PPC, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 1 11 8 14 10 16 11 16 14 9 14 13 5 6 3 6 5 167
TEXTRON INC. 2 4 6 16 6 9 20 12 16 17 23 11 17 2 2 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 167
UNITED STATES OF AMERICA, DEPARTMENT OF AGRICULTURE 5 7 6 8 6 23 11 3 5 7 2 2 2 0 2 8 1 1 2 0 2 6 4 5 8 1 3 0 4 4 6 2 5 4 3 0 3 1 2 2 166
HENKEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 5 5 9 8 14 30 10 26 26 14 10 1 0 0 0 0 0 0 161
AMCHEM PRODUCTS, INC. 7 8 8 16 5 12 16 14 7 8 8 2 6 5 9 3 7 4 8 6 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 160
MEDRAD, INC. 0 1 1 1 0 0 0 1 2 1 0 0 0 0 1 1 0 1 1 3 4 3 1 1 1 3 4 4 2 9 11 9 8 18 8 18 10 12 9 10 159
INTERDIGITAL TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 3 1 4 0 3 3 5 19 17 35 34 29 158
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 2 3 0 2 0 1 1 0 0 2 0 1 2 2 2 0 4 1 0 2 2 1 4 5 4 6 5 5 9 15 6 13 5 9 5 13 10 6 8 156
WILLIAM H. RORER, INC. 1 0 0 3 6 17 19 10 5 8 10 22 6 2 5 11 9 11 8 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 154
AMERICAN CYANAMID COMPANY 2 2 3 1 1 1 4 0 3 2 2 3 2 0 5 2 1 1 4 3 2 4 4 6 14 25 6 4 2 5 13 10 9 3 1 1 0 0 0 0 151
FORD AEROSPACE CORPORATION 32 27 24 14 20 12 5 4 1 0 0 0 3 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 144
DRAVO CORPORATION 5 5 6 8 16 4 15 12 6 6 8 7 8 5 10 6 3 8 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 143
ORTHO-MCNEIL PHARMACEUTICAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 6 17 19 16 13 17 23 11 14 139
BORG-WARNER CORPORATION 14 8 6 13 13 13 10 5 7 12 5 5 7 4 3 1 8 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 138
MCNEIL LABORATORIES, INC. 20 16 4 10 8 18 12 11 10 7 5 5 3 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 132
SHOP-VAC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 3 2 2 1 3 4 8 10 3 8 2 5 4 3 4 5 4 2 4 6 12 5 16 7 0 2 1 3 3 132
CERTAIN-TEED CORPORATION 4 5 4 2 0 3 2 2 0 2 1 0 1 3 0 0 1 1 0 0 1 0 0 0 4 4 6 4 3 1 9 8 11 5 4 10 3 8 14 5 131
AMERICAN STANDARD, INC. 0 0 0 0 0 2 1 0 0 0 0 5 11 17 12 9 15 10 10 13 8 9 5 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 130
SUNTECH, INC. 0 0 0 0 0 0 0 3 18 24 15 23 17 8 3 12 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 130
MCNEILAB INC. 0 0 0 0 0 0 0 0 0 0 1 16 7 2 6 4 7 13 18 15 10 7 3 0 6 8 4 2 0 0 0 0 0 0 0 0 0 0 0 0 129
SEAGATE TECHNOLOGY, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 34 21 23 16 16 128
FULLER COMPANY 3 4 4 12 6 12 5 2 2 5 1 3 2 1 1 0 5 13 8 6 5 3 4 5 3 2 2 0 2 2 1 0 0 0 0 0 0 0 0 0 124
SPS TECHNOLOGIES, INC. 12 15 10 6 4 3 4 8 8 7 6 4 0 2 5 1 0 1 3 1 6 5 2 5 4 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 124
E. R. SQUIBB + SONS, INC. 0 0 1 1 1 1 6 2 3 9 8 5 4 7 1 3 2 2 4 2 4 9 12 8 3 6 5 4 2 1 2 0 0 0 2 0 0 0 0 0 120
CONTAINER CORPORATION OF AMERICA 9 5 10 8 8 2 7 9 5 5 1 4 5 8 8 9 2 2 3 1 4 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 119
UNITED STATES OF AMERICA, DEPARTMENT OF THE INTERIOR 9 8 8 3 6 3 5 12 9 3 7 4 8 1 4 4 4 2 2 3 1 0 2 3 0 2 3 1 0 0 0 0 0 0 0 0 1 0 0 0 118
LOCKHEED MARTIN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 8 7 7 10 14 7 8 13 12 20 116
SOUTHCO INC. 5 0 1 1 0 1 2 1 3 1 0 1 1 1 0 2 3 5 5 3 7 2 1 4 1 2 2 0 5 2 9 10 6 5 3 8 3 4 2 4 116
MARS INCORPORATED 0 0 0 0 0 0 0 0 0 1 0 3 2 0 2 2 3 2 0 5 4 4 4 2 3 4 3 3 4 5 6 6 7 8 10 6 8 4 1 0 112
GENERAL BATTERY CORPORATION 0 0 0 0 4 4 3 8 8 13 9 10 14 18 8 4 2 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 110
CONOCO, INC. 2 0 1 2 3 1 3 5 3 5 8 9 13 6 11 14 4 8 3 2 0 0 1 0 0 0 0 0 0 0 0 0 1 4 0 0 0 0 0 0 109
EMERSON ELECTRIC CO. 1 4 10 8 6 4 4 6 4 2 2 3 13 4 2 3 1 0 3 4 1 4 0 0 1 0 0 0 2 1 5 1 3 0 2 2 0 3 0 0 109
GRACO CHILDREN'S PRODUCTS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 3 5 12 9 7 6 3 11 4 10 10 7 18 108
SIEMENS WESTINGHOUSE POWER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 6 14 16 20 13 13 4 0 0 106
DANA CORPORATION 0 0 1 0 2 1 1 1 0 0 0 2 1 1 1 0 1 1 1 1 1 3 2 0 0 0 0 0 2 4 8 10 7 10 7 9 10 9 3 3 103
GENTEX CORPORATION 6 7 14 3 2 3 3 3 1 1 2 2 1 1 2 2 1 0 4 2 6 3 2 2 3 0 1 1 0 0 0 0 2 3 2 3 5 2 6 2 103
PENNSYLVANIA ENGINEERING CORPORATION 3 2 5 3 10 18 11 7 6 9 3 3 8 3 1 6 0 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 103
CARRIER CORPORATION 7 3 12 5 14 8 7 9 7 4 1 7 6 4 1 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 102
CEPHALON, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 6 17 13 4 6 9 10 4 6 5 7 7 3 102
H. H. ROBERTSON COMPANY 14 5 13 5 4 7 3 4 8 4 5 10 3 3 0 4 2 2 2 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 102
MILES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 20 31 25 23 0 0 0 0 0 0 0 0 0 0 0 0 0 100
AMETEK, INC. 4 9 4 9 5 7 9 3 5 1 3 3 5 4 1 1 1 1 4 2 4 2 1 1 0 0 0 0 0 0 0 1 2 2 1 1 1 1 0 1 99
ARCO POLYMERS, INC. 0 0 0 0 0 10 11 2 16 11 13 4 28 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 98
HEWLETT-PACKARD COMPANY 4 8 4 1 0 1 0 0 0 0 1 0 1 2 1 1 2 2 0 3 3 2 4 5 4 2 4 9 5 13 8 5 3 0 0 0 0 0 0 0 98
JONES + LAUGHLIN STEEL CORPORATION 8 4 10 13 9 8 13 8 5 4 1 5 3 5 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 97
YORK INTERNATIONAL CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 2 3 5 3 0 1 2 1 6 9 5 2 11 6 7 6 7 7 11 97
E.S.B. INCORPORATED 12 8 13 10 13 8 8 5 2 7 1 3 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 94
ARISTECH CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 2 8 10 9 11 17 4 15 1 7 3 0 0 1 0 0 0 0 0 0 93
ICI AMERICAS INC. 0 0 0 1 7 3 4 6 1 3 0 2 3 3 1 3 9 6 2 5 6 8 8 6 2 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 93
RESPIRONICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 3 14 9 3 8 5 5 12 15 6 6 0 0 0 92
WEST COMPANY, INCORPORATED 4 1 2 1 1 0 3 3 1 1 1 1 3 3 9 4 3 0 1 5 6 7 4 8 2 3 4 4 1 3 2 0 0 0 0 0 0 0 0 0 91
DENTSPLY RESEARCH + DEVELOPMENT CORP. 0 0 0 1 2 0 2 5 2 3 1 2 3 1 8 5 12 5 4 0 2 1 1 1 1 1 3 2 2 1 1 1 4 6 1 2 3 1 0 0 90
ELF ATOCHEM NORTH AMERICA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 14 7 6 8 4 10 13 20 0 0 0 0 0 0 0 0 90
MOBAY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 15 25 21 18 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90
RESEARCH CORPORATION 1 2 3 3 6 6 4 6 2 4 7 2 7 7 3 8 3 4 7 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 89
ALLIS-CHALMERS CORPORATION 7 5 9 7 3 6 4 2 6 2 3 7 4 6 7 4 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 88
CABOT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 4 3 2 1 0 2 0 1 4 2 3 1 0 1 3 5 3 13 8 6 5 6 7 4 88
STERLING WINTHROP INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 29 20 24 6 4 1 0 0 0 0 0 0 0 0 0 88
CNH AMERICA LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 18 18 23 26 87
NORTHROP GRUMMAN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 16 25 20 3 2 6 1 0 1 5 1 1 87
BETZDEARBORN INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 25 18 17 15 6 2 1 0 0 0 0 0 86
KENSEY NASH CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 3 5 4 7 3 4 3 8 8 2 2 6 2 10 3 5 4 86
THERMAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 2 4 10 12 12 12 25 2 1 86
ARCO CHEMICAL TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23 23 33 5 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 85
HARRIS CORP. 2 0 2 8 5 7 10 5 2 3 5 7 2 1 0 1 1 1 0 1 0 1 1 3 3 2 5 1 0 0 5 0 0 0 0 0 0 1 0 0 85
WOODSTREAM CORPORATION 4 1 1 0 1 1 1 1 10 2 5 0 4 1 2 2 2 0 2 1 2 0 0 1 3 0 4 3 2 4 4 0 0 0 3 6 3 5 3 1 85
CONSOLIDATION COAL COMPANY 3 3 6 4 8 7 8 9 5 1 2 1 3 1 1 1 2 0 2 2 7 1 4 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 83
MOBAY CHEMICAL CORPORATION 10 10 4 1 0 0 0 2 0 2 1 5 7 7 9 6 13 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 83
RHONE-POULENC RORER PHARMACEUTICALS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 6 9 9 9 12 10 9 3 2 0 0 0 0 0 0 0 0 83
MORTON THIOKOL, INC. 17 6 4 6 10 3 1 3 3 6 3 4 0 1 2 1 1 1 0 2 2 0 0 0 1 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 81
SYNTHES (U.S.A.) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3 0 1 0 0 0 1 2 7 6 8 3 13 4 5 8 10 6 80
GRAHAM PACKAGING COMPANY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 6 8 8 8 10 14 8 9 77
EXXON RESEARCH + ENGINEERING CO. 0 2 0 0 0 0 0 1 1 2 5 6 7 8 3 1 4 0 0 1 0 1 2 8 5 3 2 1 0 1 7 2 1 0 0 0 0 0 0 0 74
SI HANDLING SYSTEMS, INC. 4 5 4 0 2 1 4 0 5 6 2 1 0 9 4 4 3 10 1 2 2 0 0 0 1 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 74
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WEAN UNITED, INC. 0 0 1 3 15 19 6 3 6 1 4 2 2 0 2 2 1 4 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 74
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CARPENTER TECHNOLOGY CORPORATION 0 1 5 3 3 5 6 3 4 4 4 1 2 0 1 2 1 2 1 1 7 3 8 4 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 73
UNITED STATES OF AMERICA, AIR FORCE 6 1 8 2 3 0 1 1 2 2 1 2 2 0 3 3 1 2 5 3 2 1 1 6 4 3 1 2 0 0 0 2 1 0 0 0 0 1 1 0 73
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TRW INC. 5 5 3 5 0 3 3 2 6 1 4 9 5 6 3 4 4 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 71
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WESTINGHOUSE ELECTRIC COMPANY LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 13 7 7 8 8 6 5 8 69
JENNMAR CORPORATION 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2 0 2 1 2 1 4 3 2 1 4 3 5 4 0 7 4 3 3 0 4 1 0 3 3 4 68
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ETHICON, INC. 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 3 4 0 4 4 3 4 7 4 4 14 1 1 3 3 65
KULICKE AND SOFFA INDUSTRIES INC. 2 3 1 2 1 0 1 0 0 1 0 2 1 4 1 3 1 3 1 5 7 0 1 3 0 1 1 0 0 1 0 1 1 0 0 2 0 2 5 8 65
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HMW INDUSTRIES, INC. 12 11 16 9 12 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64
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SUN RESEARCH AND DEVELOPMENT COMPANY 0 0 0 1 24 22 11 5 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64
TELEDYNE INDUSTRIES, INC. 2 6 9 13 6 4 2 1 0 2 2 0 1 1 0 1 2 1 2 2 1 1 0 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 63
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ZURN INDUSTRIES, INC. 5 1 3 1 4 3 3 1 1 1 2 2 1 2 2 0 1 0 1 1 0 1 2 0 2 2 2 1 1 2 2 1 1 2 1 3 2 1 1 0 62
BLACK & DECKER INC. 0 0 3 2 0 2 0 1 1 0 0 0 5 0 0 0 3 2 2 0 0 0 0 0 0 0 0 0 2 2 4 6 2 3 3 3 1 3 4 7 61
UNITED ENGINEERING AND FOUNDRY COMPANY 21 13 10 11 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61
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AWI LICENSING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 14 5 14 9 6 6 59
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ITT CORPORATION 0 5 2 4 3 6 1 0 11 3 3 2 2 0 0 1 0 1 1 0 1 0 2 2 4 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 59
UNION CAMP CORPORATION 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 2 4 3 8 8 4 9 3 4 7 1 1 1 0 0 0 0 0 0 0 0 0 0 59
ATOFINA CHEMICALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 11 13 17 15 1 0 0 0 58
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PFIZER INC. 3 5 3 3 1 0 1 1 2 1 1 1 4 0 4 0 2 0 5 1 1 2 0 3 2 0 0 0 1 0 1 0 3 0 1 3 1 0 1 1 58
SELAS CORPORATION OF AMERICA 3 2 7 3 5 3 4 1 0 3 1 8 2 0 2 4 0 0 0 0 0 0 1 2 2 1 0 0 1 1 2 0 0 0 0 0 0 0 0 0 58
BRISTOL-MYERS SQUIBB PHARMA COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 12 11 10 12 8 2 1 57
MESTA MACHINE CO. 8 8 8 5 9 5 3 0 2 3 0 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57
ADAMS MFG. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 2 2 1 2 5 4 6 3 2 3 1 7 3 3 3 0 4 1 56
ATLAS POWDER COMPANY 0 0 0 0 0 0 1 3 4 7 4 4 4 3 2 3 0 1 0 1 4 6 3 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56
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YOUNG INDUSTRIES, INC. 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 2 0 1 1 0 2 1 2 2 2 0 0 4 1 1 5 7 3 7 4 3 2 3 55
CRUCIBLE INC 1 4 7 7 5 6 6 7 2 3 2 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 54
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LYONDELL CHEMICAL TECHNOLOGY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 19 18 15 53
STACKPOLE CARBON COMPANY 12 10 11 6 5 2 0 2 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 53
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REX MEDICAL, LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 10 8 8 10 5 6 50
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THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 3 8 8 2 5 5 4 2 3 1 2 3 0 49
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LANDIS TOOL COMPANY 12 0 4 8 6 5 4 4 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48
MCCONWAY + TORLEY CORPORATION 0 0 0 0 0 0 0 0 0 3 1 0 0 0 0 4 1 1 2 0 1 1 0 8 4 4 5 1 0 2 2 6 0 0 0 0 0 0 1 1 48
PHILADELPHIA QUARTZ COMPANY 3 3 3 3 9 10 6 7 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48
ORTHO PHARMACEUTICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 2 0 1 0 1 0 1 2 6 8 4 10 2 3 0 3 0 0 0 0 0 0 47
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FRICK COMPANY 8 1 0 5 1 4 2 2 1 2 1 2 0 2 3 3 3 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 44
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JOHNSON MATTHEY INC. 1 1 0 0 0 0 1 1 0 1 0 4 4 2 2 1 1 0 2 4 3 1 2 3 3 2 1 1 0 1 2 0 0 0 0 0 0 0 0 0 44
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AGILENT TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 4 6 6 6 6 3 5 42
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SUN COMPANY, INC (R&M) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 5 8 5 7 1 0 0 0 0 0 0 0 0 0 42
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RAYTHEON COMPANY 0 0 0 2 2 4 6 2 1 1 0 2 0 3 4 2 3 2 0 2 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 39
DELTA INTERNATIONAL MACHINERY CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 3 4 3 2 2 0 4 1 1 3 3 3 3 2 0 0 0 0 0 38
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FRES-CO SYSTEM USA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 1 0 1 0 4 7 8 4 1 1 1 3 2 0 37
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ARCO CHEMICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29 5 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 35
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MILLER EDGE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 3 4 3 3 0 1 2 2 1 1 0 3 1 1 1 1 0 35
MILLMASTER ONYX CORPORATION 6 1 4 3 1 0 5 5 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
SINCLAIR-KOPPERS COMPANY 7 5 9 5 8 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
AMERICAN ELECTRONIC LABORATORIES, INC. 3 3 2 1 2 0 1 3 2 2 1 0 2 3 0 1 1 2 1 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
COMBUSTION UNLIMITED INCORPORATED 0 0 0 2 1 6 2 2 2 11 4 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
DREXELBROOK CONTROLS INC. 0 0 0 2 3 0 3 2 1 0 2 3 1 1 0 1 1 1 0 3 2 1 1 0 0 1 0 2 0 2 0 1 0 0 0 0 0 0 0 0 34
GENERAL MOTORS CORPORATION 0 1 0 1 0 0 0 1 1 0 1 2 0 0 1 0 0 0 0 1 1 1 0 6 5 2 1 2 2 0 2 1 0 1 0 0 0 0 1 0 34
INTERNATIONAL COAL REFINING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 9 3 13 4 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
SUNOCO, INC. (R&M) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 8 3 5 6 3 2 34
ADOLOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 3 3 2 7 1 2 1 5 2 2 33
AMERICAN ANILINE PRODUCTS, INCORPORATED 6 4 1 2 1 8 7 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
BROCKWAY, INC. 2 2 6 2 4 2 2 0 0 0 0 2 2 3 4 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
CHECKPOINT SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 1 1 0 0 0 0 3 3 3 2 1 0 0 3 7 2 3 33
EASTMAN KODAK COMPANY 1 1 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 1 0 0 2 7 5 0 0 0 0 0 3 0 0 0 1 0 0 33
INNOVATIVE OFFICE PRODUCTS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 3 4 4 11 3 3 33
SCHICK INCORPORATED 2 1 3 0 7 8 7 3 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
WEA MANUFACTURING INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 7 9 5 2 2 1 1 3 0 0 0 33
AVENTIS PHARMACEUTICALS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 9 7 6 4 3 0 2 32
BORDEN, INC. 6 7 2 6 4 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32
BRANDT, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 2 4 2 3 7 5 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 32
KERR GLASS MANUFACTURING CORPORATION 0 1 3 2 3 1 3 1 2 1 1 0 3 0 1 1 3 5 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32
PRIDE MOBILITY PRODUCTS, CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 3 3 3 0 7 10 32
TEXAS INSTRUMENTS, INCORPORATED 0 0 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 0 1 0 0 2 6 0 3 3 4 3 32
UNITED STATES OF AMERICA, HEALTH & HUMAN SERVICES 3 0 0 0 0 1 2 0 0 1 0 1 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 1 2 3 4 3 2 0 2 2 32
VESUVIUS CRUCIBLE COMPANY 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 4 1 1 0 2 5 2 0 1 1 1 1 0 2 2 1 0 0 0 0 32
ELAN PHARMA INTERNATIONAL LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 5 4 3 3 3 2 4 3 31
J. T. BAKER CHEMICAL CO. 4 0 0 2 1 0 0 2 3 2 1 2 1 0 5 5 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
KEROTEST MANUFACTURING CORP. 4 1 0 0 1 1 0 1 0 0 1 1 0 2 2 5 6 0 0 0 0 0 1 2 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 31
NEOSE TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 1 4 1 1 1 1 2 9 6 31
PERFORMANCE INDUSTRIES, INC. 0 0 0 0 0 0 3 0 3 0 2 4 1 0 4 2 2 1 1 0 2 3 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
RED VALVE CO., INC. 0 0 0 0 0 0 0 0 0 0 1 0 2 1 1 0 3 3 0 1 0 1 0 0 1 1 0 0 1 2 1 1 1 4 2 1 2 1 0 0 31
SAMSUNG ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 4 8 5 3 1 2 3 0 0 0 0 0 0 1 31
SOLID STATE MEASUREMENTS, INC. 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 2 0 1 2 3 6 6 5 1 31
TRUEPOSITION, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 8 6 5 2 2 2 2 1 31
AIR PRODUCTS POLYMERS, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 5 4 5 3 5 2 30
ALLEN ORGAN COMPANY 2 0 1 0 1 1 1 1 0 1 3 3 1 4 3 2 1 0 1 0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 30
CRANE CO. 2 2 2 1 3 0 1 1 0 0 0 1 2 2 0 2 0 3 0 0 0 0 4 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 30
DRAVO LIME COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 4 3 1 5 6 0 2 1 0 0 0 0 0 0 0 30
FORE SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 4 10 6 4 0 0 0 0 0 0 0 30
FOTO-WEAR, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 4 5 4 2 3 3 2 0 30
HARSCO CORPORATION 0 0 0 1 1 0 0 0 1 1 1 2 1 1 2 0 5 1 6 3 1 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 30
INDUCTOTHERM INDUSTRIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 3 1 0 1 0 2 2 3 0 1 4 4 0 3 2 1 30
LASKO HOLDINGS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 5 4 3 2 4 5 2 1 0 30
MAGAININ PHARMACEUTICALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 3 1 6 8 4 3 1 1 1 0 0 0 0 0 30
MOLINS MACHINE COMPANY, INC. 0 0 0 0 0 0 2 2 6 4 3 6 2 0 0 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
PENN ENGINEERING + MANUFACTURING CORP. 3 1 1 0 2 0 0 0 0 1 0 0 0 0 2 0 1 1 1 1 0 0 2 3 3 3 0 1 0 1 1 2 0 0 0 0 0 0 0 0 30
PULLMAN, INCORPORATED 6 1 0 3 0 3 2 1 1 1 1 2 8 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
THOMAS + BETTS CORPORATION 2 3 2 6 4 0 0 0 0 0 0 0 0 0 1 0 0 0 3 0 1 3 2 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 30
UNIVERSITY PATENTS, INC. 0 0 0 0 0 0 0 0 0 0 0 3 4 1 1 4 1 4 4 4 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 10 5 8 2 2 1 0 30
WESTON INSTRUMENTS INC. 9 8 2 3 1 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
ADHESIVES RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 1 2 3 4 2 5 0 2 1 2 3 0 0 0 1 29
AIR-SHIELDS, INC. 1 3 0 1 0 1 0 0 0 0 0 0 3 1 1 2 1 0 0 0 1 0 0 3 3 4 0 1 1 2 0 0 0 0 0 0 0 0 0 0 29
BLISS, E. W.,COMPANY 22 6 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29
BOC GROUP, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 1 2 2 6 0 0 3 3 3 2 2 0 0 1 0 0 29
BURLE TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 7 5 2 0 1 2 0 0 0 1 0 1 2 1 1 1 3 0 0 29
IMMUNIVEST CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 4 2 3 4 1 2 5 1 1 2 0 1 29
INDSPEC CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 6 1 1 1 0 0 0 0 2 0 1 2 4 0 1 1 1 1 29
LOUIS MARX CO., INC. 2 4 1 2 6 7 2 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 2 0 0 1 0 0 0 1 3 2 4 2 3 1 4 1 2 29
NANOSYSTEMS LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 8 3 0 0 0 0 0 0 0 0 0 0 29
PENNSYLVANIA RESEARCH CORPORATION 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 5 7 6 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 29
PHARMACOPEIA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 10 5 6 1 0 0 0 0 0 0 29
PROCTOR + SCHWARTZ, INC. 1 2 1 3 1 0 0 0 1 2 3 0 0 0 4 1 2 4 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29
RIC INVESTMENTS, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1