Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561499 | Tubing suspension system | Paul C. Berner, Jr. | 1985-12-31 |
| 4230187 | Methods and apparatus for sensing wellhead pressure | Rodney K. Seto, Michael Fitzgibbons | 1980-10-28 |