RU

Robert G. Upton

SI Smith International: 1 patents #8 of 29Top 30%
📍 Dana Point, CA: #6 of 21 inventorsTop 30%
🗺 California: #3,049 of 13,957 inventorsTop 25%
Overall (1994): #72,834 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5362073 Composite seal for rotary cone rock bits Michael F. Hooper, Gary R. Portwood, Jerry Pyka, Randy Johnston, Robert X. Chambers 1994-11-08