Assignee
OLIVER JOHN P
3 granted patents·61 citations·filing 1981–1985
Top patents by PatentIndex Score
3 records- 0170US4651973AGate valvesOLIVER JOHN P·Filed 1984·Granted Mar 24, 1987·26 cites·3 claims
- 0260US4577834ADownstream sealing deviceOLIVER JOHN P·Filed 1985·Granted Mar 25, 1986·20 cites·8 claims
- 0359US4443920AMethod of manufacturing a gate valve bodyOLIVER JOHN P·Filed 1981·Granted Apr 24, 1984·15 cites·8 claims
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