Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363541 | Method for repairing a transport pipe | Gene R. Ralls, Johnny M. Manley | 1994-11-15 |
| 5280670 | Apparatus for repairing a transport pipe | Gene R. Ralls, Johnny M. Manley | 1994-01-25 |