DS

Don Siewell

📍 Bakersfield, CA: #364 of 840 inventorsTop 45%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,097,943 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8683848 Oil well tubing pressure testing system and method of use Don Taft, Don R. Hoover 2014-04-01