Assignee
MARVIN MARK C
3 granted patents·36 citations·filing 1977–1980
Top patents by PatentIndex Score
3 records- 0159US4344427AUnderwater breathing deviceMARVIN MARK C·Filed 1980·Granted Aug 17, 1982·17 cites·3 claims
- 0246US4166791ASewage gas collection reservoirMARVIN MARK C·Filed 1977·Granted Sep 4, 1979·11 cites·3 claims
- 0339US4359946AElevated downhill transport systemMARVIN MARK C·Filed 1978·Granted Nov 23, 1982·8 cites·1 claims
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