WL

William W. Lutzens

UC Union Oil Company Of California: 1 patents #196 of 385Top 55%
📍 Parachute, CO: #3 of 14 inventorsTop 25%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #4,014,360 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4514905 Convergence extensometer for measuring mine roof subsidence — 1985-05-07