WH

W. Brent Hempkins

Chevron: 1 patents #2,615 of 4,788Top 55%
📍 San Francisco, CA: #18,903 of 26,999 inventorsTop 75%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,964,933 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4791998 Method of avoiding stuck drilling equipment Roger H. Kingsborough, Wesley E. Lohec, Conroy J. Nini 1988-12-20