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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2010 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 516, Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting

( 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 2005 2006 2007 2008 2009 2010 Total
~INDIVIDUALLY OWNED PATENT 2 1 7 6 6 2 4 6 2 3 0 2 2 1 4 3 2 1 3 0 1 2 1 4 2 2 2 3 4 2 5 4 5 3 7 2 2 2 1 3 4 4 122
NALCO CHEMICAL COMPANY 4 1 4 9 3 2 3 4 1 1 3 0 0 2 0 3 0 3 0 2 0 4 2 1 1 1 1 1 1 0 1 2 2 2 0 0 0 0 0 0 0 0 64
DOW CORNING CORPORATION 1 0 0 2 1 3 2 1 0 2 0 0 0 0 0 2 1 2 0 2 2 1 1 3 1 1 1 1 3 2 3 3 1 1 3 1 0 1 0 1 0 0 49
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN (HENKEL KGAA) 0 0 0 0 0 0 0 0 0 2 0 0 0 0 2 2 3 0 2 1 4 3 3 2 1 2 0 1 2 3 3 3 2 1 0 0 0 0 0 0 0 0 42
E. I. DU PONT DE NEMOURS AND COMPANY 2 0 2 5 3 3 2 2 1 0 0 0 0 2 1 0 1 3 0 0 0 2 0 0 0 0 0 0 1 1 1 1 0 0 2 0 0 0 0 0 0 0 35
BASF AKTIENGESELLSCHAFT 0 0 0 1 1 0 1 0 1 1 1 1 0 0 0 1 2 0 1 0 0 1 0 0 2 1 3 1 1 2 1 0 2 1 1 0 1 0 1 0 1 2 32
NISSAN CHEMICAL INDUSTRIES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 0 0 0 1 2 0 2 2 3 2 2 1 1 1 1 0 0 0 1 0 4 3 31
PETROLITE CORPORATION 0 1 5 2 0 0 1 0 0 2 1 0 0 2 5 2 1 3 1 0 3 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
GOLDSCHMIDT GBMH 0 0 0 2 0 0 0 0 2 0 0 1 1 0 1 1 0 1 4 0 1 1 1 1 0 1 1 0 0 1 3 0 1 2 3 0 0 1 0 0 0 0 30
DOW CHEMICAL COMPANY 0 0 0 0 0 0 0 1 0 0 1 0 1 1 1 2 2 1 1 3 1 1 0 2 3 1 2 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 27
BAYER AKTIENGESELLSCHAFT 0 0 1 1 0 1 1 1 1 1 0 0 2 2 3 1 1 0 1 0 0 0 1 1 0 1 1 1 0 0 2 0 1 0 0 1 0 0 0 0 0 0 26
HOECHST AKTIENGESELLSCHAFT 0 0 0 0 3 1 1 2 0 0 0 1 0 0 3 2 0 1 1 1 2 0 1 1 0 2 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 25
EXXON RESEARCH + ENGINEERING CO. 0 0 0 2 0 1 0 3 0 1 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 4 0 2 4 1 0 0 0 0 0 0 0 0 23
UNION CARBIDE CORPORATION 0 2 3 1 0 2 0 1 2 3 0 0 0 3 1 0 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 20
INTEVEP, S.A. 0 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 3 1 1 1 0 1 0 1 2 0 0 1 0 0 18
CIBA-GEIGY CORPORATION 0 0 0 0 0 0 0 0 0 4 1 0 0 1 0 0 1 0 0 1 1 1 0 1 4 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
HENKEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 4 2 1 2 2 3 0 0 0 0 0 0 0 0 0 17
BASF WYANDOTTE CORPORATION 0 0 1 1 1 0 1 0 0 0 0 1 0 5 2 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 16
TEXACO INC. 0 0 1 0 0 2 2 0 0 1 4 1 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 16
SHIN ETSU CHEMICAL CO., LTD. 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 2 0 1 0 3 2 0 0 1 0 1 1 0 0 1 0 0 0 0 0 1 0 0 15
3M INNOVATIVE PROPERTIES 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 3 1 0 2 0 1 3 0 2 2 0 14
KAO KABUSHIKI KAISHA (KAO CORPORATION) 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 1 0 0 1 0 0 2 0 1 0 0 0 1 1 1 1 0 14
PHILLIPS PETROLEUM COMPANY 0 0 1 2 1 0 0 0 0 0 2 0 0 2 1 1 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 14
W. R. GRACE & CO.-CONN. 1 1 0 2 0 2 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 14
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 0 4 5 2 1 0 1 0 0 0 0 0 0 0 0 13
GENERAL ELECTRIC COMPANY 1 0 0 0 1 1 0 0 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 13
BETZ LABORATORIES INC. 0 0 0 4 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
CONOCO, INC. 0 0 2 3 0 2 0 1 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
IMPERIAL CHEMICAL INDUSTRIES PLC 0 0 0 1 1 0 0 2 0 1 0 1 1 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
L'OREAL S.A. 0 1 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 0 0 2 0 0 0 0 12
MARATHON OIL COMPANY 0 0 0 0 4 1 0 0 1 0 0 1 0 0 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 12
NL INDUSTRIES INC. 0 0 1 1 0 1 0 0 2 2 0 0 1 0 0 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 12
SHELL OIL COMPANY 0 1 0 2 6 0 0 1 0 0 1 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 0 0 0 0 0 12
WACKER-CHEMIE GMBH 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 2 2 12
AKZO NOBEL NV 0 0 0 0 0 0 0 0 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 0 1 1 0 0 0 2 3 11
RHONE-POULENC CHIMIE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 1 0 1 0 1 2 0 1 0 0 0 0 0 0 0 0 0 0 11
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 0 0 1 0 0 1 1 0 0 2 1 0 0 1 1 0 1 0 0 1 10
DIAMOND SHAMROCK CORPORATION 0 0 0 4 0 1 0 1 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 10
PROCTER + GAMBLE COMPANY 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 10
RHODIA 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 0 1 1 0 0 0 0 0 2 10
WESTVACO CORPORATION 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 2 0 0 1 0 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 10
EASTMAN KODAK COMPANY 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 1 0 2 1 1 1 0 0 0 0 0 0 0 2 0 0 0 9
HERCULES INCORPORATED 0 0 1 2 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 9
INSTITUT FRANCAIS DU PETROLE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 1 0 1 0 9
WITCO CHEMICAL CORPORATION 0 2 2 2 2 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 0 0 0 0 0 0 0 0 9
CABOT CORPORATION 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 0 0 0 1 2 0 1 0 0 0 1 1 0 0 8
CHEVRON RESEARCH & TECHNOLOGY CO. 2 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
J. M. HUBER CORPORATION 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 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 8
LUBRIZOL CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 1 0 0 0 1 1 0 0 0 0 0 0 1 0 0 8
SHISEIDO 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 1 1 3 2 1 0 0 0 0 0 0 0 0 0 8
AKZO N.V. 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 2 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
ALBRIGHT & WILSON LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 7
CLARIANT GMBH 0 0 0 0 0 0 0 0 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 0 1 0 0 0 0 7
DAIKIN INDUSTRIES LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 7
DOW CORNING S.A. 0 0 0 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 1 1 1 0 1 0 0 0 0 0 0 0 0 7
DREW CHEMICAL CORPORATION 0 0 0 0 0 0 0 2 0 0 0 0 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 7
KAO SOAP CO., LTD. 1 1 0 1 0 0 0 1 0 1 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 7
RHONE-POULENC SPECIALITIES CHIMIQUES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 1 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES - S.E.P.P.I.C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 0 7
THE BRITISH PETROLEUM COMPANY P.L.C. 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 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 7
AIR PRODUCTS AND 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 1 1 1 1 1 0 0 0 0 0 6
BETZ PAPERCHEM, 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 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
COGNIS 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 1 3 2 0 0 0 0 0 0 0 6
COLGATE-PALMOLIVE COMPANY 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 6
EXXONMOBIL RESEARCH AND ENGINEERING 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 2 2 1 0 0 0 0 0 1 6
GULF RESEARCH AND DEVELOPMENT COMPANY 0 0 1 1 0 0 0 0 0 0 0 0 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 0 0 0 6
ICI AMERICAS INC. 0 0 0 0 0 3 0 0 0 0 0 0 0 1 0 1 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 0 6
ISP INVESTMENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
LION CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
MOBIL OIL CORP. 0 2 0 0 0 0 1 0 1 0 0 0 0 0 0 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 6
RHONE-POULENC INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 6
S. C. JOHNSON + SON, INC. 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 6
STEPAN COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 6
UNITED STATES OF AMERICA, NAVY 0 0 1 2 0 0 0 1 0 0 0 0 0 0 0 1 0 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 6
XEROX CORPORATION 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 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 6
ASAHI GLASS COMPANY, 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 1 2 0 0 1 0 0 0 0 0 0 1 0 5
AUSIMONT S.P.A. 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 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 5
CALGON CORPORATION 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 5
CITIES SERVICE COMPANY 0 0 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 0 0 0 0 0 0 0 0 0 5
DOW CORNING TORAY SILICONE COMPANY 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 1 1 0 2 0 0 0 1 0 0 0 0 0 0 0 0 5
FMC CORPORATION 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 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 5
HENKEL + CIE G.M.B.H. 2 1 0 0 0 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 0 0 0 0 5
JAPAN SCIENCE AND TECHNOLOGY AGENCY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 2 5
MINNESOTA MINING AND MANUFACTURING COMPANY 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
MONSANTO COMPANY, INC. 0 0 0 0 1 0 0 1 0 0 1 0 0 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 0 0 0 5
NIPPON SHOKUBAI KAGAKU KOGYO CO. LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
OLIN CORPORATION 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 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 5
RHODIA CHIMIE 0 0 0 0 0 0 0 0 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 1 0 0 0 5
RHODIA ELECTRONICS AND CATALYSIS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 2 1 5
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 5
UNITED STATES OF AMERICA, ARMY 0 0 1 0 1 0 0 1 0 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 0 0 0 0 0 5
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 0 0 0 0 0 0 0 0 0 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 2 1 0 1 0 5
UOP 0 1 0 0 0 0 0 0 2 0 0 0 0 0 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 5


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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