Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10240458 | Telescopic pumpable prop assembly with improved ceiling impact properties | Craig Douglas Barnett | 2019-03-26 |
| 9140026 | Telescopic pumpable props | Craig Douglas Barnett | 2015-09-22 |