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Jeffrey E. Stemke

Chevron: 4 patents #1,079 of 4,788Top 25%
📍 Petaluma, CA: #140 of 492 inventorsTop 30%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,300,770 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4925579 Lubricating oil containing hydroperoxidized ethylene copolymers and terpolymers as dispersants and V.I. improvers 1990-05-15
4891146 Hydroperoxidized ethylene copolymers and terpolymers as dispersants and V. I. improvers 1990-01-02
4661276 Grease composition 1987-04-28
4436649 Grease composition with improved low shear stability 1984-03-13