Inventor · disambiguated record
Howard P. Stephens
Also filed as: STEPHENS HOWARD · STEPHENS HOWARD P
4 granted patents·83 citations·filing 1984–1992
79Inventor score
Top patents by PatentIndex Score
4 records- 0173US5461022AThin film hydrous metal oxide catalystsSANDIA CORP·Filed 1992·Granted Oct 24, 1995·34 cites·18 claims
- 0268US4511455ACatalysis using hydrous metal oxide ion exchangesUS ENERGY·Filed 1984·Granted Apr 16, 1985·21 cites·12 claims
- 0347US4929582AHydrous oxide ion-exchange compound catalystsUS OF AMERICAN AS REPRESENTED·Filed 1986·Granted May 29, 1990·10 cites·5 claims
- 0440US4966253AMuffler device for exhaust systemsSTEPHENS HOWARD·Filed 1989·Granted Oct 30, 1990·18 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →