Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867583 | Dot matrix printer/module using print wires having different lenth but equal mass | Leon C. Johenning, II | 1989-09-19 |
| 4523867 | Bi-directional drive print wire actuator with forward-velocity and reverse-position closed loop feedback control | Harry R. Berrey | 1985-06-18 |
| 4468142 | Pint wire actuator | Harry R. Berrey | 1984-08-28 |