Inventor · disambiguated record
John F. Sierakowski
Also filed as: SIERAKOWSKI JOHN F
2 granted patents·11 citations·filing 1974–1988
56Inventor score
Top patents by PatentIndex Score
2 records- 0149US3988249AExtreme pressure additive for lubricantsUNIROYAL INC·Filed 1974·Granted Oct 26, 1976·6 cites·4 claims
- 0235US4914137AMethod for stabilizing polyurethane foam using an additive combination of a phenothiazine and at least one co-stabilizerUNIROYAL CHEM CO INC·Filed 1988·Granted Apr 3, 1990·5 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →