Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5941133 | Torsional and translational vibration removing device | Paul Wierzba | 1999-08-24 |
| 5845542 | Dynamic balancing method and apparatus | R. Craig Hannah, Paul Wierzba, John P. M. Doyle | 1998-12-08 |
| 5829318 | Dynamic balancing method and apparatus | R. Craig Hannah, Paul Wierzba, John P. M. Doyle | 1998-11-03 |
| 5768951 | Dynamic balancing method and apparatus | R. Craig Hannah, Paul Wierzba, John P. M. Doyle | 1998-06-23 |
| 5724862 | Dynamic balancing method and apparatus | R. Craig Hannah, Paul Wierzba, John P. M. Doyle | 1998-03-10 |