DP

Dennis E. Petticrew

SC Superior Oil Company: 1 patents #1 of 8Top 15%
📍 Denver, CO: #2,551 of 4,554 inventorsTop 60%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #4,086,253 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4257878 Beneficiation process for oil shale J. William Fishback 1981-03-24