DR

David E. Ripple

TL The Lubrizol: 1 patents #28 of 65Top 45%
📍 Kirtland, OH: #2 of 9 inventorsTop 25%
🗺 Ohio: #979 of 4,093 inventorsTop 25%
Overall (1994): #144,203 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5328620 Oil additive package useful in diesel engine and transmission lubricants — 1994-07-12