Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D310611 | Taco holder or the like | — | 1990-09-18 |
| 4487260 | In situ production of hydrocarbons including shale oil | Marc Fontaine | 1984-12-11 |
| 4251191 | Method for lifting oil in a well | John Gass, Noell C. Kerr | 1981-02-17 |