Assignee
GUTMAN DAVID
5 granted patents·134 citations·filing 1975–1982
Top patents by PatentIndex Score
5 records- 0190US4005945ADrill guideGUTMAN DAVID·Filed 1975·Granted Feb 1, 1977·55 cites·9 claims
- 0287US4198090AShovelGUTMAN DAVID·Filed 1978·Granted Apr 15, 1980·30 cites·9 claims
- 0367US4076295APedestrian contact guardGUTMAN DAVID·Filed 1976·Granted Feb 28, 1978·21 cites·1 claims
- 0465US3982740AClamping deviceGUTMAN DAVID·Filed 1975·Granted Sep 28, 1976·20 cites·6 claims
- 0539US4436181AEscape systemGUTMAN DAVID·Filed 1982·Granted Mar 13, 1984·8 cites·10 claims
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