Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174393 | Hydraulic jar | Billy J. Roberts, Arthur Warren Meeks | 1992-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174393 | Hydraulic jar | Billy J. Roberts, Arthur Warren Meeks | 1992-12-29 |