Assignee
FRED KNAPP ENGRAVING CO INC
US·4 granted patents·166 citations·filing 1989–1995
Top patents by PatentIndex Score
4 records- 0190US4946204ASnap swivel coupling for fluid flow applicationsFRED KNAPP ENGRAVING CO INC·Filed 1989·Granted Aug 7, 1990·71 cites·26 claims
- 0287US5695223AQuick-disconnect tube coupler with use-enhancing featuresFRED KNAPP ENGRAVING CO INC·Filed 1995·Granted Dec 9, 1997·64 cites·10 claims
- 0365US5261447APneumatic regulating valveFRED KNAPP ENGRAVING CO INC·Filed 1992·Granted Nov 16, 1993·22 cites·17 claims
- 0447US5217260AControl valve with universal porting featureFRED KNAPP ENGRAVING CO INC·Filed 1992·Granted Jun 8, 1993·9 cites·22 claims
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