Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220079 | Annular fluid manipulation in lined tubular systems | Jerry Max Roach | 2001-04-24 |
| 4838477 | Method of welding flanged pipe sections and apparatus therefor | Max Jerry Roach | 1989-06-13 |