Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413450 | Apparatus for transporting a load | Fredric Salsburg, William E. Roberts, Stephen A. Yaeger | 1995-05-09 |
| 4415073 | Automatic hub clutch | Chris Campbell | 1983-11-15 |
| 4361216 | Roller clutch actuator | — | 1982-11-30 |
| 4270409 | Torque transfer mechanism | Jack G. Glaze | 1981-06-02 |
| 4212557 | Hub clutch | — | 1980-07-15 |