DJ

Donald O. Thomas, Jr.

📍 Long Beach, CA: #1,148 of 2,153 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,090,952 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4271903 Retrievable annulus and tubing flow control valves Grady M. Slagle, Jr. 1981-06-09