Assignee
GRAPHIC UTILITIES INC
US·5 granted patents·212 citations·filing 1991–1996
Top patents by PatentIndex Score
5 records- 0182US5199470AMethod and apparatus for refilling ink cartridgesGRAPHIC UTILITIES INC·Filed 1991·Granted Apr 6, 1993·84 cites·16 claims
- 0281US5364462AWaterfast inksGRAPHIC UTILITIES INC·Filed 1993·Granted Nov 15, 1994·46 cites·61 claims
- 0377US5488400AMethod for refilling ink jet cartridgesGRAPHIC UTILITIES INC·Filed 1994·Granted Jan 30, 1996·42 cites·17 claims
- 0465US5662734AInk compositions having improved optical density characteristicsGRAPHIC UTILITIES INC·Filed 1995·Granted Sep 2, 1997·24 cites·13 claims
- 0553US5686948AMethod for refilling ink jet cartridgesGRAPHIC UTILITIES INC·Filed 1996·Granted Nov 11, 1997·16 cites·7 claims
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