Assignee
KAUFMANN JOHN JUN
3 granted patents·76 citations·filing 1977–1980
Top patents by PatentIndex Score
3 records- 0178US4284298APipe couplingKAUFMANN JOHN JUN·Filed 1980·Granted Aug 18, 1981·44 cites·1 claims
- 0255US4293984ASpring tension fastenerKAUFMANN JOHN JUN·Filed 1979·Granted Oct 13, 1981·18 cites·1 claims
- 0347US4168090AExpansion compensating pipe couplingKAUFMANN JOHN JUN·Filed 1977·Granted Sep 18, 1979·14 cites·4 claims
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