Individual holder
ALLEN MARSHALL T
3 granted patents·59 citations·filing 1975–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0175US5072987ARetractable cycle roofALLEN MARSHALL T·Filed 1990·Granted Dec 17, 1991·50 cites·14 claims
- 0238US3943760AApparatus and method for testing engine oil pressureALLEN MARSHALL T·Filed 1975·Granted Mar 16, 1976·7 cites·9 claims
- 0334USD308353SMotorcycle hitchALLEN MARSHALL T·Filed 1988·Granted Jun 5, 1990·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →