Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8590987 | Idler and undercarriage assembly for track-type machine | Roger E. Lawson | 2013-11-26 |
| 8360535 | Sound reducing segmented idler for track-type vehicles | Eric James Johannsen, Ming Zhang, Xiangyang Jiang, Constant B. Bissahoyo, Alexander H. Hays +1 more | 2013-01-29 |
| 6869244 | Articulated pin joint for a track chain | Peter W. Anderton, Steve L. Arianoutsos, J. Christopher Barnes, David G. Kupper | 2005-03-22 |