JW

John L. Williams

SI Smith International: 1 patents #25 of 69Top 40%
📍 London, TX: #10 of 15 inventorsTop 70%
Overall (2003): #188,617 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6655478 Fracture and wear resistant rock bits Dah-Ben Liang, Gary R. Portwood, Paul E. Cox 2003-12-02