Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626447 | Pipeline patch trolley | Joseph Nelson, Jeffrey T Sitz, Scott W Brady, Kirt J. Rierson | 2003-09-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626447 | Pipeline patch trolley | Joseph Nelson, Jeffrey T Sitz, Scott W Brady, Kirt J. Rierson | 2003-09-30 |