Inventor · disambiguated record
Don P. Hollrah
Also filed as: HOLLRAH DON P
3 granted patents·180 citations·filing 1991–1996
77Inventor score
Technology areasC10L
Top patents by PatentIndex Score
3 records- 0190US5551957ACompostions for control of induction system depositsETHYL CORP·Filed 1994·Granted Sep 3, 1996·67 cites·9 claims
- 0286US5679116ACompositions for control of induction system depositsETHYL CORP·Filed 1996·Granted Oct 21, 1997·63 cites·17 claims
- 0382US5113803AReduction of Nox emissions from gasoline enginesETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted May 19, 1992·50 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →