Rex T. Ellington

OS Occidental Oil Shale: 1 patents #18 of 37Top 50%

📍 Norman, OK: #339 of 626 inventorsTop 55%

🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%

Overall (All Time): #4,024,521 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4552409	In situ oil shale retort with controlled permeability for uniform flow	—	1985-11-12