Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363738 | Portable electrohydraulic trainer | Richard J. Kotch, George A. McConnell | 1994-11-15 |
| 5354203 | Portable hydraulics trainer | Richard J. Kotch | 1994-10-11 |
| 4673012 | Tool tensioning device for debarking machine | James H. Hutson | 1987-06-16 |
| 4643236 | Feed roll tensioning device | James H. Hutson | 1987-02-17 |