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Philip N. Smith
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Valencia, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Stepped diameter recessed solid ink pellet
Patent number
D346821
Issue date
May 10, 1994
Dataproducts Corporation
Philip N. Smith
D18 - Printing and office machinery
Information
Patent Grant
Ink jet ink cartridge
Patent number
D341156
Issue date
Nov 9, 1993
Dataproducts Corporation
Philip N. Smith
D18 - Printing and office machinery
Information
Patent Grant
Smooth edge recessed solid ink pellet
Patent number
D335683
Issue date
May 18, 1993
Dataproducts Corporation
Philip N. Smith
D18 - Printing and office machinery
Information
Patent Grant
Reinker cartridge
Patent number
D321899
Issue date
Nov 26, 1991
Dataproducts Corporation
Edward Knox
D18 - Printing and office machinery
Information
Patent Grant
Toner cartridge
Patent number
D310240
Issue date
Aug 28, 1990
Dataproducts Corporation
Philip N. Smith
D18 - Printing and office machinery
Information
Patent Grant
Ribbon cartridge
Patent number
D303396
Issue date
Sep 12, 1989
Dataproducts Corporation
Philip N. Smith
D18 - Printing and office machinery