DU

David E. Upchurch

OL Owen Oil Tools Lp: 2 patents #17 of 64Top 30%
📍 Cleburne, TX: #27 of 97 inventorsTop 30%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #1,976,671 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9598941 Detonating cord clip Paul E. Noe, Benjamin O. Potter, Matthew C. Clay, Dan W. Pratt 2017-03-21
9523265 Detonating cord clip Paul E. Noe, Benjamin O. Potter, Matthew C. Clay, Dan W. Pratt 2016-12-20