Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374156 | Carriage assembly and side shift system for a lift truck | Clark C. Simpson, Jeffrey C. Hansell | 1994-12-20 |
| 5326217 | Lift truck with negative drop upright | Clark C. Simpson, Jeffery C. Hansell | 1994-07-05 |