TE

Timothy R. Erdman

Chevron: 1 patents #71 of 266Top 30%
📍 San Rafael, CA: #7 of 33 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #49,638 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4840744 Modified succinimides and lubricating oil compositions containing the same Robert H. Wollenberg, Frank Plavac 1989-06-20