Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8347481 | Welding blanket | David L. Mixon | 2013-01-08 |
| 6802909 | Method for improving the operation of a pipeline by employing soap pigs | — | 2004-10-12 |
| 6769152 | Launcher for passing a pig into a pipeline | Floyd T. Parnell | 2004-08-03 |