BR

Bill Riel

AA American Augers: 1 patents #8 of 19Top 45%
TO Torquelock: 1 patents #2 of 4Top 50%
Overall (All Time): #3,433,717 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7134514 Dual wall drill string assembly Kris L. Church 2006-11-14