DC

Duane K. Chapman

AO Ashland Oil: 1 patents #154 of 284Top 55%
📍 Ashland, KY: #54 of 96 inventorsTop 60%
🗺 Kentucky: #6,410 of 11,577 inventorsTop 60%
Overall (All Time): #4,108,382 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4193900 Fire carcass resilient rubber compositions Lawrence E. Whittington, Marvin L. Deviney, James E. Lewis 1980-03-18