DB

David T. Brunson

DI Dresser Industries: 2 patents #157 of 787Top 20%
📍 Arlington, TX: #629 of 1,708 inventorsTop 40%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,348,778 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4597455 Rock bit lubrication system D. F. Walters, William R. Bell 1986-07-01
4511008 Rotary cutter drill bit with permanent snap ring cutter retention — 1985-04-16