Assignee
SHEN RICHARD
TW·6 granted patents·167 citations·filing 1985–1988
Top patents by PatentIndex Score
6 records- 0193US4838053AHeavy-duty panic proof lock unitSHEN RICHARD·Filed 1988·Granted Jun 13, 1989·79 cites·4 claims
- 0267US4750766AAmphi-latch for a tubular locksetSHEN RICHARD·Filed 1985·Granted Jun 14, 1988·27 cites·6 claims
- 0366US4840412AEasily adjustable latchSHEN RICHARD·Filed 1987·Granted Jun 20, 1989·26 cites·1 claims
- 0451US4840413ALength-adjustable latchSHEN RICHARD·Filed 1987·Granted Jun 20, 1989·14 cites·1 claims
- 0550US4744232ALatchbolt slide extensionSHEN RICHARD·Filed 1985·Granted May 17, 1988·12 cites·1 claims
- 0640US4756178ALow friction super heavy-duty lever handle locksetSHEN RICHARD·Filed 1987·Granted Jul 12, 1988·9 cites·1 claims
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