Inventor · disambiguated record
Douglas R. Chrisope
Also filed as: CHRISOPE DOUGLAS R
3 granted patents·1 pending application·122 citations·filing 1990–2013
76Inventor score
Top patents by PatentIndex Score
4 records- 0193US5089156AAshless or low-ash synthetic base compositions and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Feb 18, 1992·73 cites·20 claims
- 0280US5360562AAshless or low-ash synthetic base compositions and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Nov 1, 1994·29 cites·16 claims
- 0367US5387346AAutomatic transmission fluids and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Feb 7, 1995·20 cites·20 claims
- 0445US2013190436A1Adhesive grout for plaster rehabilitation432339 ONTARIO INC·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →