Inventor · disambiguated record
David L. Hopkins
Also filed as: HOPKINS DAVID L
3 granted patents·106 citations·filing 1977–1989
75Inventor score
Top patents by PatentIndex Score
3 records- 0187US4836857AAsphalt additive compositionsLUBRIZOL CORP·Filed 1987·Granted Jun 6, 1989·47 cites·32 claims
- 0286US5017230AAsphalt additive compositionsLUBRIZOL CORP·Filed 1989·Granted May 21, 1991·39 cites·27 claims
- 0362US4081090AImplement transportation trainHOPKINS DAVID L·Filed 1977·Granted Mar 28, 1978·20 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →