Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9604239 | Self cleaning water nozzle | James Seven Southern | 2017-03-28 |
| 8506017 | Loading arm with wear resistant end, mining equipment using the arm, and method of use | — | 2013-08-13 |
| 7614705 | Water spray assembly | — | 2009-11-10 |
| 6540304 | Water spray assembly | — | 2003-04-01 |
| 5230548 | Longwall cutter drum having reduced production of dust | — | 1993-07-27 |
| 4915454 | Mining bit and holder | — | 1990-04-10 |
| 4842337 | Mining bit and holder | — | 1989-06-27 |