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Gary S. Keller
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San Jose, CA, US
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last 30 patents
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Patent Grant
Grayscale printing system
Patent number
5,648,801
Issue date
Jul 15, 1997
International Business Machines Corporation
Gary Scott Beardsley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Thermal edge jet drop-on-demand ink jet print head
Patent number
5,059,989
Issue date
Oct 22, 1991
Lexmark International, Inc.
Jerome M. Eldridge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Thermal drop-on-demand ink jet print head
Patent number
4,791,440
Issue date
Dec 13, 1988
International Business Machine Corporation
Jerome M. Eldridge
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS