JS

James Shamburger

DI Dresser Industries: 2 patents #2 of 31Top 7%
📍 Spring, TX: #8 of 97 inventorsTop 9%
🗺 Texas: #541 of 5,943 inventorsTop 10%
Overall (1997): #36,709 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5695019 Rotary cone drill bit with truncated rolling cone cutters and dome area cutter inserts — 1997-12-09
5636700 Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction — 1997-06-10