Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127451 | Method for supporting loads in a coal-dust-laden environment | Carl Coslow, Ray Gulley | 2012-03-06 |
| 7523996 | Auger car bearing support | — | 2009-04-28 |
| 7461902 | Auger car bearing support | — | 2008-12-09 |
| 7244092 | Car lifting platform | — | 2007-07-17 |