Inventor · disambiguated record
Stephen Richard Hartshorn
Also filed as: HARTSHORN STEPHEN R · HARTSHORN STEPHEN RICHARD
3 granted patents·276 citations·filing 1977–2008
74Inventor score
Top patents by PatentIndex Score
3 records- 0193US4104190AGeneration of chlorine dioxide for disinfection and sterilizationMINNESOTA MINING & MFG·Filed 1977·Granted Aug 1, 1978·244 cites·25 claims
- 0268US7018496B1Curable mechanical fasteners3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Mar 28, 2006·31 cites·24 claims
- 0366US8329851B2Functional polymer with a pendant color changing indicatorZHANG YIFAN·Filed 2008·Granted Dec 11, 2012·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →