Individual holder
TROTMAN HELEN H
5 granted patents·128 citations·filing 1979–1984
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0181US4205880ABody supporting and spacing structureTROTMAN HELEN H·Filed 1979·Granted Jun 3, 1980·38 cites·20 claims
- 0261US4435015AUnderbody cushioning and ventilating structure and general utility formed plastic sheetTROTMAN HELEN H·Filed 1980·Granted Mar 6, 1984·28 cites·9 claims
- 0359US4529248AUnderbody cushioning and ventilating structure and general utility formed plastic sheetTROTMAN HELEN H·Filed 1984·Granted Jul 16, 1985·26 cites·14 claims
- 0455US4313640ACovered body supporting and spacing structure and removable cover thereforTROTMAN HELEN H·Filed 1980·Granted Feb 2, 1982·24 cites·6 claims
- 0543US4328993ABody supporting and spacing structureTROTMAN HELEN H·Filed 1980·Granted May 11, 1982·12 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →