Inventor · disambiguated record
Marshall C. Freerks
Also filed as: FREERKS MARSHALL C
3 granted patents·47 citations·filing 1974–1980
71Inventor score
Files withMONSANTO CO3
Top patents by PatentIndex Score
3 records- 0190US3977998AProcess for preparing phosphorus-vanadium-oxygen catalystsMONSANTO CO·Filed 1974·Granted Aug 31, 1976·30 cites·5 claims
- 0251US4092332AProcess for manufacturing maleic anhydrideMONSANTO CO·Filed 1976·Granted May 30, 1978·13 cites·5 claims
- 0332US4304723AProcess for manufacturing maleic anhydrideMONSANTO CO·Filed 1980·Granted Dec 8, 1981·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →