Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919876 | Method for making composite tread for track-laying vehicles | Russell C. Savage, Martin D. Skirha | 1990-04-24 |
| 4915895 | Method for making a composite tread for track-laying vehicles | Russell C. Savage, Martin D. Skirha | 1990-04-10 |
| 4880283 | Composite tread for track-laying vehicles | Russell C. Savage, Martin D. Skirha | 1989-11-14 |
| 4844561 | Composite tread for track-laying vehicles | Russell C. Savage, Martin D. Skirha | 1989-07-04 |
| 4413856 | Hardbar energy absorbing bumper system for vehicles | David R. McMahan, Ronald W. Slaughter, Martin D. Skirha, Dean M. Bayer | 1983-11-08 |
| 4186915 | Energy absorbing cellular matrix for vehicles | Dewayne A. Landwehr | 1980-02-05 |