Assignee
KELLER JAMES J
US·6 granted patents·2 pending applications·79 citations·filing 1975–2011
Top patents by PatentIndex Score
8 records- 0175US5193458AGripper bar conveyor for multiple color offset rotary printing pressKELLER JAMES J·Filed 1992·Granted Mar 16, 1993·17 cites·18 claims
- 0266US5289768AGripper bar conveyor for multiple color offset rotary printing pressKELLER JAMES J·Filed 1993·Granted Mar 1, 1994·14 cites·10 claims
- 0356US5322014APrinting plate register system, device, and methodKELLER JAMES J·Filed 1992·Granted Jun 21, 1994·18 cites·15 claims
- 0455US3985073ANumbering head attachment for a printing pressKELLER JAMES J·Filed 1975·Granted Oct 12, 1976·12 cites·7 claims
- 0552US4949637ASelf-metering dampening system for a lithographic pressKELLER JAMES J·Filed 1988·Granted Aug 21, 1990·13 cites·23 claims
- 0643US2007235923A1Sheet feeder, feed roller system and methodKELLER JAMES J·Filed 2006·Application pending·0 cites
- 0739US5022322AMetering roller control apparatusKELLER JAMES J·Filed 1990·Granted Jun 11, 1991·5 cites·17 claims
- 0839US2013113156A1Feeder mechanism with adjustable pickup headsKELLER JAMES J·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →