Inventor · disambiguated record
Charles Griffin
Also filed as: GRIFFIN CHARLES · GRIFFIN CHARLES D · GRIFFIN CHARLES DE WITT
4 granted patents·25 citations·filing 1974–1989
73Inventor score
Top patents by PatentIndex Score
4 records- 0151US3945262ADrive for feed rollsDU PONT·Filed 1974·Granted Mar 23, 1976·9 cites·3 claims
- 0239US4985320AProcessor chemistry control strip reader and replenishment systemDU PONT·Filed 1989·Granted Jan 15, 1991·8 cites·1 claims
- 0328US3937237AUnivalve irrigation systemLOCKWOOD CORP·Filed 1975·Granted Feb 10, 1976·4 cites·9 claims
- 0426US4084610ATwo-step roll ahead irrigation systemBOONE RALPH D·Filed 1976·Granted Apr 18, 1978·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →