Dale R. Severns

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

📍 Broomfield, CO: #758 of 1,198 inventorsTop 65%

🗺 Colorado: #24,093 of 40,980 inventorsTop 60%

Overall (All Time): #3,965,896 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4634330	Apparatus for introducing solids into a solids upflow vessel	Daniel Svoboda, Steven Hordinski, Howard W. Hooker	1987-01-06