Individual holder
SHEPHARD HELEN I
3 granted patents·30 citations·filing 1975–1979
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0158US4270418AFluted toolSHEPHARD HELEN I·Filed 1979·Granted Jun 2, 1981·17 cites·17 claims
- 0239US4040535ACondensation proof drinking glass assemblySHEPHARD HELEN I·Filed 1975·Granted Aug 9, 1977·11 cites·2 claims
- 0326US3999265ACircular cut-off bladeSHEPHARD HELEN I·Filed 1976·Granted Dec 28, 1976·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →