DS

Darrel W. Shadden

📍 Mineral Wells, TX: #37 of 74 inventorsTop 50%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,701,485 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5829952 Check valve with a reversible valve ball and seat — 1998-11-03