Inventor · disambiguated record
Joseph Stephen Williamson
Also filed as: WILLIAMSON JOSEPH STEPHEN
3 granted patents·135 citations·filing 1975–2004
76Inventor score
Top patents by PatentIndex Score
3 records- 0185US3965980AMud saver valveSMITH INTERNATIONAL·Filed 1975·Granted Jun 29, 1976·47 cites·28 claims
- 0277US7210710B2Drill stem connectionOMSCO INC·Filed 2004·Granted May 1, 2007·64 cites·37 claims
- 0353US6013179AFilter having an integral gasketDANA CORP·Filed 1997·Granted Jan 11, 2000·24 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →