Individual holder
GWYN MARION V
3 granted patents·316 citations·filing 1981–1982
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0193US4450400ABattery replacement system for electric vehiclesGWYN MARION V·Filed 1981·Granted May 22, 1984·251 cites·4 claims
- 0282US4397422AFull spectrum selective color producing and spraying deviceGWYN MARION V·Filed 1981·Granted Aug 9, 1983·56 cites·5 claims
- 0329US4459992AArterial pulse rate monitor and stress warning deviceGWYN MARION V·Filed 1982·Granted Jul 17, 1984·9 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →