Assignee
EVANS ROBERT G
US·5 granted patents·86 citations·filing 1986–1990
Top patents by PatentIndex Score
5 records- 0175US4852392AHigh pressure drum testing apparatus and methodEVANS ROBERT G·Filed 1988·Granted Aug 1, 1989·31 cites·50 claims
- 0256US5075951ADrum closure and method of makingEVANS ROBERT G·Filed 1990·Granted Dec 31, 1991·30 cites·21 claims
- 0349US4972568AMethod and apparatus for forming drum closureEVANS ROBERT G·Filed 1989·Granted Nov 27, 1990·13 cites·22 claims
- 0440US4686850AMethod and apparatus for testing drumsEVANS ROBERT G·Filed 1986·Granted Aug 18, 1987·8 cites·20 claims
- 0531US4852238ADrum closure and method of makingEVANS ROBERT G·Filed 1988·Granted Aug 1, 1989·4 cites·22 claims
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