Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4295795 | Method for forming remotely actuated gas lift systems and balanced valve systems made thereby | John Gass, Robert W. Pittmann | 1981-10-20 |
| 4251191 | Method for lifting oil in a well | John Gass, Robert W. Pittman | 1981-02-17 |