DD

Don J. Doughdrill

LB Loffland Brothers: 1 patents #2 of 9Top 25%
📍 Odessa, TX: #171 of 383 inventorsTop 45%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,104,796 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4184838 Igniter for oil and/or gas well drilling operation Kenneth L. Burns, Raymond E. Smith, Jr. 1980-01-22