Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450045 | Torque sensing calibration unit | David O. Crane | 2002-09-17 |
| 6202028 | Variable torque rate simulated test joint | David O. Crane | 2001-03-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450045 | Torque sensing calibration unit | David O. Crane | 2002-09-17 |
| 6202028 | Variable torque rate simulated test joint | David O. Crane | 2001-03-13 |