EC

Elwood Champness

📍 Bakersfield, CA: #240 of 840 inventorsTop 30%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,257,327 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5715895 Downhole drilling tool cooling system Al T. Champness 1998-02-10
4215753 Drilling fluid cooling system — 1980-08-05