GV

Gary W. Vandergrift

📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #3,617,640 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6073708 Downhole mud pressure intensifier John F. Brown 2000-06-13