Inventor · disambiguated record
William J. Sewell
Also filed as: SEWELL WILLIAM · SEWELL WILLIAM J
3 granted patents·111 citations·filing 1976–1996
73Inventor score
Top patents by PatentIndex Score
3 records- 0182US5650065ASkimmer cover for dry well in a catch basinFiled 1996·Granted Jul 22, 1997·84 cites·4 claims
- 0263US4937034AApparatus and method for cofeeding additives with polymer flakeDU PONT·Filed 1989·Granted Jun 26, 1990·25 cites·4 claims
- 0322US4033655AGroundable lamp receptacleSEWELL WILLIAM·Filed 1976·Granted Jul 5, 1977·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →