Inventor · disambiguated record
Fred J. Gefri
Also filed as: GEFRI FRED J
3 granted patents·676 citations·filing 1976–1989
77Inventor score
Top patents by PatentIndex Score
3 records- 0197US5057368AFilaments having trilobal or quadrilobal cross-sectionsALLIED SIGNAL INC·Filed 1989·Granted Oct 15, 1991·641 cites·16 claims
- 0282US4704480AProcess for the production of ketones and carbinolsALLIED CORP·Filed 1986·Granted Nov 3, 1987·19 cites·20 claims
- 0374US4003740ARecovery of copper from copper sulfide ores containing copper and ironALLIED CHEM·Filed 1976·Granted Jan 18, 1977·16 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →