Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8784161 | Mandrel assembly for repairing drill pipe facings | Gary R. Chambers | 2014-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8784161 | Mandrel assembly for repairing drill pipe facings | Gary R. Chambers | 2014-07-22 |