Individual holder
MARSHALL ERNEST H
US·4 granted patents·68 citations·filing 1987–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0187USD309116SCombined collapsible cup, compass and altimeterMARSHALL ERNEST H·Filed 1987·Granted Jul 10, 1990·30 cites·1 claims
- 0274US4955247ATransmissionMARSHALL ERNEST H·Filed 1988·Granted Sep 11, 1990·33 cites·9 claims
- 0329US5005438AShift mechanismMARSHALL ERNEST H·Filed 1990·Granted Apr 9, 1991·3 cites·2 claims
- 0428US4744706ADevice for collet mountingMARSHALL ERNEST H·Filed 1987·Granted May 17, 1988·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →