Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954949 | Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide | Ernest O. Ohsol, Thomas E. Gillespie, John W. Pinkerton | 1999-09-21 |
| 5948242 | Process for upgrading heavy crude oil production | Ernest O. Ohsol, John W. Pinkerton, Thomas E. Gillespie | 1999-09-07 |
| 4375793 | Actuator mechanism | Alec H. Seilly | 1983-03-08 |