FH

Frank C. Haas

TO Tosco: 3 patents #1 of 28Top 4%
📍 Arvada, CO: #343 of 1,140 inventorsTop 35%
🗺 Colorado: #13,156 of 40,980 inventorsTop 35%
Overall (All Time): #1,684,463 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4325925 Method for the removal of nitric oxide from gas streams Gerald B. Faudel 1982-04-20
4264568 Method for easily removing zinc from carbon black contaminated with zinc Manuel M. Gutierrez 1981-04-28
4243639 Method for recovering vanadium from petroleum coke William Hesse 1981-01-06