KW

Kenneth D. Webster

DT Duhn Oil Tool: 1 patents #4 of 7Top 60%
SP Shell Western E & P: 1 patents #10 of 35Top 30%
📍 Bakersfield, CA: #364 of 840 inventorsTop 45%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,795,266 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5303774 Ring seal packer Jay C. Duhn, Rex E. Duhn, Aaron B. Speirs 1994-04-19