RS

Rogerio H. Silva

DI Diamond Products International: 1 patents #1 of 2Top 50%
📍 Spring, TX: #50 of 169 inventorsTop 30%
🗺 Texas: #2,449 of 8,709 inventorsTop 30%
Overall (2003): #127,892 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6629476 Bi-center bit adapted to drill casing shoe Coy M. Fielder 2003-10-07