Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11517804 | Method and apparatus for false start detection | Andrew Harrison, Kevin Hayes | 2022-12-06 |
| 4223950 | Longwall cutting machines with drum moved by plural power means | — | 1980-09-23 |