Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895464 | Wire matrix print head assembly | — | 1990-01-23 |
| 4874121 | Web feed tractor belt assembly | — | 1989-10-17 |
| 4840501 | Three pole printhead actuator | Kam C. Wong, Aram S. Arzoumanian | 1989-06-20 |
| 4319551 | Rotary internal combustion engine | — | 1982-03-16 |