Individual holder
LICHFIELD WILLIAM H
5 granted patents·157 citations·filing 1976–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0189US4541568ASafety spray wandLICHFIELD WILLIAM H·Filed 1982·Granted Sep 17, 1985·66 cites·10 claims
- 0275US4109873AGrinding millLICHFIELD WILLIAM H·Filed 1976·Granted Aug 29, 1978·22 cites·9 claims
- 0374US4304245ATherapeutic toothpickLICHFIELD WILLIAM H·Filed 1980·Granted Dec 8, 1981·37 cites·17 claims
- 0467US4834293ASpray wandLICHFIELD WILLIAM H·Filed 1988·Granted May 30, 1989·26 cites·12 claims
- 0535US4303605AProduction of layered toothpicksLICHFIELD WILLIAM H·Filed 1980·Granted Dec 1, 1981·6 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →