Inventor · disambiguated record
Frederick R. Sytsma
Also filed as: SYTSMA FREDERICK R
4 granted patents·103 citations·filing 1974–1988
79Inventor score
Top patents by PatentIndex Score
4 records- 0187US3971601ASanitary anti-friction trolley wheelFROST & SON C L·Filed 1974·Granted Jul 27, 1976·45 cites·18 claims
- 0277US4863293ASealed bearing assemblyFROST INC·Filed 1988·Granted Sep 5, 1989·35 cites·22 claims
- 0362US4210238AChain bracket with strengthened chain supportsC L FROST AND SON INC·Filed 1978·Granted Jul 1, 1980·15 cites·34 claims
- 0445US4266657AChain bracket with strengthened chain supportsFROST & SON C L·Filed 1979·Granted May 12, 1981·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →