JG

James N. Gregory

📍 San Fernando, CA: #775 of 2,303 inventorsTop 35%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,340,681 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4640360 Sonic cementing Albert G. Bodine 1987-02-03
4522271 Method and apparatus for damping vibrations in drill collar strings Albert G. Bodine 1985-06-11