CD ROMS from the U.S. Patent and Trademark Office

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USAPAT : Facsimile Images of United States Patents

C 21.31:

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PATENTS CLASS: CURRENT CLASSIFICATIONS OF US PATENTS ISSUED 1790 TO PRESENT

C 21.31/3:

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PATENTS ASSIGN: US PATENTS ASSIGNMENTS RECORDED AT THE USPTO 1980 AUGUST TO PRESENT

C 21.31/4:

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TRADEMARKS REGISTERED: BIBLIOGRAPHIC INFORMATION FROM REGISTERED TRADEMARKS

C 21.31/7:

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TRADEMARKS PENDING: BIBLIOGRAPHIC INFORMATION FROM PENDING US TRADEMARKS

C 21.31/8:

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TRADEMARKS ASSIGN: US TRADEMARKS ASSIGNMENTS RECORDED AT THE USPTO

C 21.31/9:

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Last updated May 6, 1997
Janet Frederick