JJ

Joseph H. Kelly, Jr.

HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,902,208 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4923020 Rock bit with rigid face seals and recessed energizers Michael F. Welsh 1990-05-08