Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323159 | Thermoplastic polyurethane and additive product and process | — | 2001-11-27 |
| 5946980 | Vehicular wheel suspension link | Ronald D. Walther | 1999-09-07 |
| 5643516 | Process for manufacturing polyurethane products | Ronald D. Walther | 1997-07-01 |
| 5567019 | Wheel for in-line roller skates | Thomas F. Preczewski, Ronald D. Walther | 1996-10-22 |