Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660477 | Slidable work surface | Paul Gartland | 1987-04-28 |
| 4633789 | Toolless mounting arrangement | Gordon C. Berry | 1987-01-06 |
| 4448459 | Roadable track shoe with sealed grouser | Danny J. Becker | 1984-05-15 |
| 4359248 | Roadable grouser for track shoes | — | 1982-11-16 |