Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989699 | Preloaded compression valve and method for a hydraulic damper | Daniel P. Zaenglein, Joel R. Wells | 1991-02-05 |
| 4971181 | Preloaded piston valving for hydraulic dampers and method of assembling the same | Daniel P. Zaenglein, Joel R. Wells | 1990-11-20 |