Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150642 | Device for applying torque to a tubular member | Andrew Jenner | 1992-09-29 |
| 4212212 | Rotary drive apparatus | Arthur R. Chandler | 1980-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150642 | Device for applying torque to a tubular member | Andrew Jenner | 1992-09-29 |
| 4212212 | Rotary drive apparatus | Arthur R. Chandler | 1980-07-15 |