Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919876 | Method for making composite tread for track-laying vehicles | Gary P. Zeller, Martin D. Skirha | 1990-04-24 |
| 4915895 | Method for making a composite tread for track-laying vehicles | Gary P. Zeller, Martin D. Skirha | 1990-04-10 |
| 4880283 | Composite tread for track-laying vehicles | Gary P. Zeller, Martin D. Skirha | 1989-11-14 |
| 4844561 | Composite tread for track-laying vehicles | Gary P. Zeller, Martin D. Skirha | 1989-07-04 |