Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289722 | Preassembled, easily mountable strain gage | Hugh S. Walker | 1994-03-01 |
| 5195600 | Electric drive system for track-laying vehicles | — | 1993-03-23 |
| 5168946 | Track-laying vehicle electric drive system | — | 1992-12-08 |
| 4848186 | Dual hydrostatic drive transmission | David A. Wallace | 1989-07-18 |