Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255954 | Detection of wear-particles and other impurities in industrial or other fluids | Robert W. Brown, Yu-Chung Norman Cheng, William Condit | 2001-07-03 |
| 4562722 | Impact wrench torque calibrator | John W. Wilhelm, Jr. | 1986-01-07 |