Assignee
KOPPENBERG BRUCE G
4 granted patents·201 citations·filing 1983–1988
Top patents by PatentIndex Score
4 records- 0191US4523413AHanger fastenerKOPPENBERG BRUCE G·Filed 1983·Granted Jun 18, 1985·83 cites·4 claims
- 0287US4566668AApparatus for casting concreteKOPPENBERG BRUCE G·Filed 1984·Granted Jan 28, 1986·56 cites·5 claims
- 0382US4614066AModular columbarium structureKOPPENBERG BRUCE G·Filed 1985·Granted Sep 30, 1986·53 cites·9 claims
- 0440US4881714AConcrete molding system with tubsKOPPENBERG BRUCE G·Filed 1988·Granted Nov 21, 1989·9 cites·2 claims
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