Inventor · disambiguated record

John M. Derfer

Also filed as: DERFER JOHN M

1 granted patent·1 citations·filing 1976–1976

16Inventor score
Technology areasC07C
Files withSCM CORP1

Top patents by PatentIndex Score

1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →