DC

Douglas R. Chrisope

EA Ethyl Petroleum Additives: 1 patents #3 of 16Top 20%
📍 Chesterfield, MO: #56 of 279 inventorsTop 25%
🗺 Missouri: #190 of 1,010 inventorsTop 20%
Overall (1994): #141,609 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5360562 Ashless or low-ash synthetic base compositions and additives therefor Rolfe J. Hartley 1994-11-01