DR

Dwight A. Rife

SI Smith International: 1 patents #390 of 708Top 60%
📍 Mission Viejo, CA: #754 of 1,522 inventorsTop 50%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,359,305 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4466621 Rotary drill bit multiple seal assembly Lloyd L. Garner, Samuel R. Westfall 1984-08-21
4194795 Seal protector for a sealed bearing rock bit — 1980-03-25