Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6078236 | Rotary solenoid | David B. Mohler | 2000-06-20 |
| RE31813 | Print wire solenoid | Kenneth L. Roy | 1985-01-22 |
| 4272748 | Print wire solenoid | Kenneth L. Roy | 1981-06-09 |
| 4200401 | Print wire solenoid | Kenneth L. Roy | 1980-04-29 |