Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643668 | Sprocket for a track-type machine | Adalbert Zimmer | 2017-05-09 |
| 8967730 | Wethead seal design for continuous mining machine | Darren B. Antoine, Todd William Wampler, Roger L. O'Quinn, Steven M. Shaffer | 2015-03-03 |