Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5246399 | Two-stage torsional vibration damper | John P. Yanko, Kenneth C. Yuergens | 1993-09-21 |
| 5070974 | Hydraulic torsional vibration damper | — | 1991-12-10 |
| 4867290 | High excursion torsional vibration damper for controlled energy absorption | Fraser J. Macdonald | 1989-09-19 |