Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075693 | Primary land arctic navigation system | Marc Dion, David Liang, Michael E. Vinnins, Barry Fletcher | 1991-12-24 |
| 4775276 | Loader attachment for handling and transporting utility poles and cylindrical articles | — | 1988-10-04 |
| 4219300 | Material handling apparatus | — | 1980-08-26 |