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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2004 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 367, Communications, Electrical: Acoustic Wave Systems and Devices

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

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 Total
UNITED STATES OF AMERICA, NAVY 24 19 31 19 42 32 41 42 21 18 16 63 18 18 15 23 7 5 6 3 7 45 47 22 25 25 25 31 28 41 22 31 22 31 23 24 912
~Individually Owned Patent 11 11 15 18 24 16 14 16 12 17 11 31 19 17 5 8 19 13 29 16 23 41 23 41 34 22 26 19 16 19 15 17 23 15 11 15 682
MOBIL OIL CORP. 7 7 8 10 6 6 4 6 4 2 3 10 2 6 12 12 11 16 16 13 22 13 9 3 1 2 0 1 2 3 0 1 0 0 0 0 218
SCHLUMBERGER TECHNOLOGY CORPORATION 3 7 3 5 19 1 3 3 4 4 2 3 3 4 6 0 8 5 6 7 14 10 7 4 8 4 3 8 7 6 5 9 4 5 7 4 201
WESTERN ATLAS INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 12 10 5 9 7 6 13 20 12 14 11 14 1 0 0 0 140
INSTITUT FRANCAIS DU PETROLE 1 3 2 0 12 1 1 1 2 3 1 3 1 2 1 0 3 2 8 6 9 8 4 0 5 2 0 4 2 6 1 3 2 3 3 2 107
WESTINGHOUSE ELECTRIC CORP. 3 0 5 0 5 1 9 3 8 5 2 4 6 0 1 1 0 1 4 1 2 5 8 4 4 10 10 2 0 0 0 0 0 0 0 0 104
EXXON PRODUCTION RESEARCH COMPANY 2 0 2 2 2 2 5 0 3 2 0 1 3 1 0 1 0 3 12 4 10 4 5 6 5 1 4 7 6 4 3 1 0 0 0 0 101
SHELL OIL COMPANY 9 3 5 5 2 1 1 3 0 3 1 3 4 2 2 5 3 3 3 4 3 4 4 5 3 2 0 1 0 0 0 0 0 0 1 2 87
AMOCO CORPORATION 0 0 0 0 0 0 0 0 3 3 1 3 1 1 0 0 2 5 4 14 11 15 9 5 3 1 0 0 1 2 1 0 0 0 0 0 85
RAYTHEON COMPANY 2 0 1 2 5 5 4 2 5 3 1 4 3 0 1 2 0 0 5 2 3 4 0 2 7 5 3 1 1 1 1 0 1 1 0 2 79
ATLANTIC RICHFIELD COMPANY 0 2 3 1 0 1 1 1 0 0 0 0 0 1 1 0 1 0 4 1 8 10 4 7 6 5 2 4 4 4 3 4 0 0 0 0 78
CONOCO, INC. 3 2 1 5 2 1 3 2 1 0 1 0 1 0 3 2 2 2 1 7 6 9 7 11 3 0 0 0 0 0 0 0 0 0 0 0 75
TEXAS INSTRUMENTS, INCORPORATED 7 15 12 4 2 2 4 5 4 2 1 2 1 0 1 1 2 2 5 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 75
CHEVRON RESEARCH & TECHNOLOGY CO. 1 0 2 2 2 4 0 0 5 0 2 1 0 4 11 1 4 11 4 3 2 0 3 5 3 1 0 0 0 0 0 0 0 0 0 0 71
WESTERN GEOPHYSICAL CO. OF AMERICA 3 1 2 6 1 2 0 5 4 7 4 1 1 7 1 1 5 6 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 68
THOMSON-CSF 0 0 0 0 0 5 2 1 0 1 0 1 4 1 2 3 5 4 3 2 3 4 7 6 0 1 2 3 2 2 3 0 0 0 0 0 67
TEXACO INC. 1 0 1 4 7 4 4 2 5 6 1 4 2 1 1 1 1 1 2 2 2 2 3 1 0 0 0 2 0 0 0 1 0 0 0 0 61
GENERAL ELECTRIC COMPANY 2 2 0 0 5 1 2 2 1 0 4 3 2 1 1 2 1 0 0 1 2 1 1 8 4 2 1 7 2 1 0 1 0 0 0 0 60
SIEMENS AKTIENGESELLSCHAFT 0 0 0 0 0 3 2 0 1 1 2 3 0 2 1 0 0 1 3 6 3 8 1 5 2 0 2 1 1 3 1 0 3 1 1 0 57
FRIED. KRUPP HUTTENWERKE AG 5 7 8 3 6 2 0 2 3 2 1 0 2 0 1 2 2 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 49
HONEYWELL INC. 4 0 5 1 0 3 5 0 0 1 1 0 3 3 1 1 0 3 3 2 2 4 3 0 0 0 0 0 0 0 1 0 0 0 0 0 46
UNITED STATES OF AMERICA, ARMY 2 0 0 2 2 1 0 1 1 3 1 0 1 2 0 2 1 0 0 0 0 2 0 1 2 1 1 2 1 4 3 0 0 0 0 0 36
PHILLIPS PETROLEUM COMPANY 4 0 3 0 2 0 2 0 0 0 0 0 5 2 1 0 3 2 3 0 0 1 0 0 0 0 1 0 0 0 1 2 0 0 0 0 32
BAKER HUGHES INCORPORATED 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 3 0 2 1 1 3 6 2 5 1 4 31
INPUT/OUTPUT, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 5 5 4 4 1 6 3 30
BENDIX CORPORATION(NOW ALLIED-SIGNAL INC.) 0 2 2 1 2 6 2 3 3 1 1 2 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29
ACUSON 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 2 5 4 7 6 3 1 0 0 28
UNISYS CORPORATION 0 0 1 2 1 1 2 0 1 1 0 1 4 0 1 2 1 1 1 0 1 1 0 1 0 2 2 0 0 0 0 0 0 0 0 0 27
GECO A.S. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 4 6 4 2 0 2 1 2 1 2 0 0 0 0 26
DRESSER INDUSTRIES, INC. 1 1 1 0 2 1 0 0 0 0 2 0 1 2 2 2 3 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 25
COMPAGNIE GENERALE DE GEOPHYSIQUE 0 0 1 1 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 1 1 1 0 1 2 1 2 2 0 3 0 0 0 0 2 1 24
HUGHES AIRCRAFT COMPANY 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 3 1 0 3 1 4 0 2 4 1 0 0 0 0 0 0 0 0 24
SANDERS ASSOCIATES INC. 1 3 0 0 2 1 1 1 1 0 3 2 0 1 4 2 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF NATIONAL DEFENCE 0 0 0 0 0 1 0 0 1 0 1 1 0 0 1 0 2 0 0 1 4 2 0 0 0 0 1 0 0 2 1 0 0 0 5 0 23
HALLIBURTON CO. 0 0 0 1 0 0 0 0 0 0 0 0 0 4 0 3 1 2 1 0 0 0 0 0 0 0 3 6 1 0 0 0 0 0 0 0 22
HALLIBURTON ENERGY SERVICES, 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 6 1 2 3 5 3 2 22
HEWLETT-PACKARD COMPANY 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 2 1 1 3 5 4 1 2 0 0 0 0 0 0 0 22
MASSA DIVISION DYNAMICS CORPORATION OF AMERICA 2 3 4 3 6 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 0 0 0 0 0 0 22
FURUNO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 2 0 1 0 1 0 0 1 0 0 1 2 1 0 1 1 1 1 1 1 0 1 0 0 1 2 0 2 21
AMOCO PRODUCTION COMPANY 0 0 2 4 4 3 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 20
HALLIBURTON GEOPHYSICAL SERVICES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 4 4 3 1 0 0 0 0 0 0 0 0 0 0 20
HITACHI, LTD 0 0 1 0 1 1 2 0 3 2 0 0 0 1 0 0 1 1 1 0 3 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 20
AT&T CORP. 1 2 0 1 2 1 1 1 0 0 0 0 1 0 1 1 0 1 0 0 0 1 2 0 0 0 1 2 0 0 0 0 0 0 0 0 19
LOWRANCE ELECTRONICS, INC. 0 1 0 1 3 1 0 0 0 1 0 2 0 1 2 0 0 1 0 0 1 1 0 1 0 0 0 2 0 1 0 0 0 0 0 0 19
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 2 1 1 0 0 2 0 0 1 2 0 1 0 0 0 0 1 1 1 0 0 1 0 0 0 0 1 0 1 1 1 1 19
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 0 0 0 0 0 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 3 1 3 2 2 1 19
WHITEHALL CORPORATION 0 0 0 1 0 1 2 1 0 0 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 4 4 2 0 0 0 0 0 0 0 19
GEOSOURCE INC. 0 0 0 0 0 0 0 0 2 0 2 0 2 1 0 1 3 1 4 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
SYNTRON, INC. 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 3 2 0 5 2 0 0 0 17
ALLIED-SIGNAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 3 1 1 1 1 1 1 0 1 0 0 0 0 1 0 0 0 16
GAS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 0 2 0 0 0 1 2 2 3 0 0 0 1 16
TOSHIBA CORPORATION 0 0 0 0 0 0 2 0 1 2 1 1 0 0 0 0 1 0 1 2 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
CHARLES STARK DRAPER LABORATORY, INC. 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 0 0 0 0 1 1 2 4 2 0 0 0 1 0 0 0 0 0 15
ETAT FRANCAIS 0 0 0 0 1 1 0 2 3 3 1 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
MARK PRODUCTS, INCORPORATED 1 1 0 1 3 1 3 0 0 0 0 1 1 0 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
U.S. PHILIPS CORPORATION 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 1 0 0 1 1 1 2 0 0 2 2 1 0 0 0 0 0 0 0 0 0 15
WESTERNGECO, 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 3 9 3 15
GEOPHYSICAL SYSTEMS CORPORATION 0 0 0 0 0 0 1 1 6 2 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
LITTON 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 1 3 1 1 0 2 1 2 2 0 0 1 14
SPARTON CORPORATION 1 0 2 0 1 0 1 2 0 0 0 0 0 0 0 0 0 0 2 0 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 14
NIPPON SOKEN, INC. 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 4 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 13
TELECO OILFIELD SERVICES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 4 5 1 0 0 0 0 0 0 0 0 0 0 0 13
TRW INC. 0 0 0 1 1 4 1 0 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 0 13
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 0 0 0 2 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 0 0 0 1 0 13
ETAT FRANCAIS REPRESENTE PAR LE DELEGUE GENERAL POUR A'ARMEMENT 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 1 4 2 0 1 0 0 0 0 0 12
NEC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 1 0 0 1 0 0 1 1 1 1 0 0 0 2 0 12
ROCKWELL INTERNATIONAL CORPORATION 0 0 0 0 0 2 0 0 0 1 0 1 2 0 1 1 0 0 0 0 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 12
ROWE-DEINES INSTRUMENTS INCORPORATED 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 1 1 1 1 0 2 1 0 0 1 12
STANDARD OIL CORPORATION (INDIANA) 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 3 1 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 1 0 0 1 1 1 1 0 1 0 0 0 0 0 1 1 0 0 1 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 12
HYDROACOUSTICS INC. 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 1 1 2 1 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 11
NISSAN MOTOR COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 1 0 0 2 1 0 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 11
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 1 0 4 4 1 0 0 1 0 0 0 11
PETTY GEOPHYSICAL ENGINEERING COMPANY 1 0 3 2 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 11
SOCIETE NATIONALE ELF AQUITAINE (PROD.) 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 2 2 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 11
BOLT TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 1 4 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 10
GEO SPACE CORPORATION 0 0 1 0 0 0 2 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 10
GEOPHYSICAL COMPANY OF NORWAY A/S 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
LAITRAM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 3 2 1 0 0 0 0 0 0 0 0 0 10
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 1 1 0 0 0 1 2 2 3 10
MAGNAVOX GOVERNMENT AND INDUSTRIAL ELECTRONICS COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 4 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10
MARATHON OIL COMPANY 1 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 10
MILLTRONICS 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 3 2 0 0 0 1 1 1 1 0 1 0 10
NATIONAL RESEARCH DEVELOPMENT CORPORATION 0 0 1 0 1 0 0 0 0 1 0 0 2 0 0 0 1 1 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10
POLAROID CORPORATION 0 1 0 0 0 0 0 0 0 1 0 0 1 0 1 4 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
SEISCOM DELTA INC. 0 0 0 0 0 0 1 5 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
SOCIETE NATIONALE DES PETROLES D AQUITAINE 0 1 1 1 3 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 10
COMMISSARIAT A L'ENERGIE ATOMIQUE 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 0 1 1 0 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 9
DYNAMICS CORPORATION OF AMERICA 2 6 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 9
ENDRESS + HAUSER GMBH + CO. 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 1 0 0 0 2 0 1 0 2 0 0 0 0 0 0 9
GTE PRODUCTS CORPORATION 1 0 0 1 1 1 1 1 1 1 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 9
MARTIN-MARIETTA CORPORATION 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 2 3 1 0 0 0 0 0 0 0 9
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 3 0 0 1 0 1 0 0 1 0 1 0 0 0 9
SOUTHWEST RESEARCH INSTITUTE 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 9
TECHSONIC INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 1 1 4 9
THOMSON MARCONI SONAR SAS 0 0 0 0 0 0 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 0 0 9
UNITED STATES OF AMERICA, AIR FORCE 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 9
ALLIANT TECHSYSTEMS 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 2 0 3 1 0 0 0 0 0 0 0 8
DEN NORSKE STATS OLJESELSKAP A.S. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 1 1 0 1 1 0 0 0 0 1 8
EXXONMOBIL UPSTREAM RESEARCH 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 1 1 6 8
HALLIBURTON LOGGING SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 1 1 0 0 0 0 0 0 0 0 0 0 8
NL INDUSTRIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
PAN AMERICAN PETROLEUM CORPORATION 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 0 0 0 0 0 0 8
PGS TENSOR, 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 4 0 2 2 0 0 0 8
QUANTRONIX, INC. 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 0 1 0 1 1 0 1 1 0 0 0 8
SCIENCE ACCESSORIES CORPORATION 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 3 1 0 0 1 0 0 0 0 0 0 0 0 0 8
TELEDYNE EXPLORATION COMPANY 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 8
UNION OIL COMPANY OF CALIFORNIA 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 2 0 1 0 1 0 0 0 0 0 0 0 0 8
AIRMAR TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 1 1 1 7
CANADIAN PATENTS AND DEVELOPMENT LTD. 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
ELECTROACUSTIC GMBH 2 1 1 0 2 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 7
GENERAL SIGNAL CORPORATION 3 0 0 2 1 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 7
I/O EXPLORATION PRODUCTS (U.S.A.), 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 1 1 5 0 0 0 0 0 0 0 7
INNOVATIVE TRANSDUCERS 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 2 0 0 0 1 2 2 0 0 0 0 7
LANDMARK GRAPHICS CORPORATION 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 0 1 1 2 0 0 0 0 0 0 0 7
LITTON RESOURCES SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
OLYMPUS OPTICAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 4 0 0 0 1 0 0 0 0 0 0 0 0 0 0 7
RCA CORPORATION 2 0 0 0 0 0 1 1 1 1 0 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 7
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 1 0 1 1 1 7
SANDIA 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 0 1 0 0 3 1 0 0 1 7
SONY CORPORATION 0 0 0 0 0 0 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 7
SPERRY SUN, INC. 0 0 0 0 0 0 0 0 0 0 2 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
AMERICAN PETROSCIENCE CORPORATION 0 0 0 0 0 1 3 0 1 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 6
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION, 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 0 2 1 3 6
BOEING COMPANY 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 6
BUNKER RAMO CORPORATION 0 1 0 0 0 0 0 0 1 0 1 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 6
COMMONWEALTH OF AUSTRALIA 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
DEUTSCHE TEXACO AKTIENGESELLSCHAFT 0 0 0 0 0 0 1 0 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ELF AQUITAINE PRODUCTION 0 0 0 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 0 1 0 0 0 0 6
GARMIN 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 1 1 0 4 0 0 6
GENERAL DYNAMICS CORPORATION 1 1 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 6
HAZELTINE CORP. 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 6
HITACHI MEDICAL CORPORATION 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 6
HOFFMANN-LA ROCHE INC. 0 0 1 1 0 1 0 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 6
L-3 COMMUNICATIONS 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 1 0 1 6
MATSUSHITA ELECTRIC WORKS, LTD. 0 0 0 0 0 0 0 0 0 3 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
PLESSEY OVERSEAS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SEISMOGRAPH SERVICE CORPORATION 0 1 1 0 0 2 0 1 0 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 6
STAR MICRONICS 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 3 0 1 1 0 0 0 0 1 0 6
UNITED GEOPHYSICAL CORPORATION 0 0 0 0 1 0 0 0 0 0 0 3 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
WOODS HOLE OCEANOGRAPHIC INSTITUTION 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 6
ACOUSTIC IMAGING 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 4 1 0 0 0 0 0 0 0 0 0 0 0 5
AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE (ANVAR) 0 0 0 0 0 0 1 0 1 2 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 5
AMF INCORPORATED 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
AUTOMATION INDUSTRIES INC. 0 0 0 0 0 0 3 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 5
BRITISH GAS CORPORATION 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 0 0 0 0 0 0 0 0 0 0 5
CALIFORNIA INSTITUTE OF TECHNOLOGY 1 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CANON KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
CBS INC. 0 2 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 5
EASTMAN CHRISTENSEN CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
EASTMAN KODAK COMPANY 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 5
EDO WESTERN CORPORATION 0 0 1 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
EXPLORATION LOGGING, INC. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GENERAL INSTRUMENT CORPORATION 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GEOSENSOR 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 2 2 1 0 0 5
GTE GOVERNMENT SYSTEMS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 5
HONDA ELECTRONIC 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 1 0 0 3 0 0 0 1 0 5
IMAGE ACOUSTICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 5
MARCONI COMPANY LIMITED 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 1 5
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 5
MURATA MANUFACTURING CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 0 5
NGK SPARK PLUG CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NILES PARTS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 0 0 0 0 0 0 1 0 0 0 0 0 0 5
NL SPERRY SUN, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PRAKLA-SEISMOS GMBH 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 5
SEABEAM INSTRUMENTS, 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 0 1 3 0 0 0 0 0 0 0 5
SHAW INDUSTRIES LIMITED 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 0 2 1 0 0 0 0 0 0 0 0 5
STANDARD OIL COMPANY 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
STANFORD RESEARCH INSTITUTE 0 0 1 0 1 0 2 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 5
STONELEIGH TRUST 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
TERATECH 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 1 0 2 1 5
UNITED STATES OF AMERICA, DEPARTMENT OF THE INTERIOR 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
UNITED STATES OF AMERICA, HEALTH & HUMAN SERVICES 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
XECUTEK CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 5
ZENITH ELECTRONICS CORPORATION 0 0 0 2 1 0 0 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 0 0 0 0 5


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