RS

Richard E. Scallen

📍 Gillette, WY: #15 of 101 inventorsTop 15%
🗺 Wyoming: #524 of 1,797 inventorsTop 30%
Overall (All Time): #2,116,518 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7648348 Dewatering apparatus — 2010-01-19
7377311 Wellhead valves Roy E. Knutson, Jr. 2008-05-27