Individual holder
WILLINGHAM JOHN H
3 granted patents·95 citations·filing 1973–1984
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0181US4244682APortable concrete molding apparatusWILLINGHAM JOHN H·Filed 1979·Granted Jan 13, 1981·29 cites·33 claims
- 0280US4136492AIndustrialized building constructionWILLINGHAM JOHN H·Filed 1973·Granted Jan 30, 1979·43 cites·13 claims
- 0353US4590848ACookerWILLINGHAM JOHN H·Filed 1984·Granted May 27, 1986·23 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →