Inventor · disambiguated record
Donovan R. Wilgus
Also filed as: KING JOHN M · WILGUS DONOVAN R
4 granted patents·74 citations·filing 1976–1977
77Inventor score
Files withCHEVRON RES4
Top patents by PatentIndex Score
4 records- 0188US4157309AMannich base compositionCHEVRON RES·Filed 1977·Granted Jun 5, 1979·40 cites·11 claims
- 0272US4157308AMannich base compositionCHEVRON RES·Filed 1977·Granted Jun 5, 1979·18 cites·10 claims
- 0372US4088586AMannich base compositionCHEVRON RES·Filed 1976·Granted May 9, 1978·13 cites·11 claims
- 0443US4175044AMannich base composition and lubricating oil compositions containing sameCHEVRON RES·Filed 1977·Granted Nov 20, 1979·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →