Assignee
GRAY CHARLES H JR
US·3 granted patents·45 citations·filing 1988–1993
Top patents by PatentIndex Score
3 records- 0159US4890635AFire control valveGRAY CHARLES H JR·Filed 1988·Granted Jan 2, 1990·21 cites·2 claims
- 0240US5298088AOne-quarter turn ball valve closerGRAY CHARLES H JR·Filed 1993·Granted Mar 29, 1994·12 cites·9 claims
- 0339US5004003AFire control valve with pivotal latchGRAY CHARLES H JR·Filed 1990·Granted Apr 2, 1991·12 cites·10 claims
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