DB

David H. Barr

BH Baker Hughes Holdings: 1 patents #1,949 of 3,522Top 60%
📍 Diemelstraße, TX: #689 of 1,115 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,662,222 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5960896 Rotary drill bits employing optimal cutter placement based on chamfer geometry Danny E. Scott, Craig H. Cooley 1999-10-05