DC

David C. Campen

OR Occidental Research: 1 patents #47 of 95Top 50%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,067,715 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4323365 Dewatering of solid residues of carbonaceous materials Alan C. Crosby 1982-04-06