Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355605 | Motor brake control method | Charles E. Robinson | 1982-10-26 |
| 4305353 | Motor brake control system for controlling motor runaway | Charles E. Robinson | 1981-12-15 |
| 4223649 | Motor brake control system | Charles E. Robinson | 1980-09-23 |