Stefan T. Spang

UC Union Oil Company Of California: 1 patents #196 of 385Top 55%

📍 El Centro, CA: #18 of 44 inventorsTop 45%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,947,589 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4728438	Process for reducing the concentration of suspended solids in clarified geothermal brine	John L. Featherstone, David G. Newell	1988-03-01