Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5385064 | Dual clutch countershaft automatic transmission | — | 1995-01-31 |
| 4502799 | Dot matrix print head | David E. Weeks, Robert L. Wirth | 1985-03-05 |
| 4503480 | Voltage compensating driver circuit | Ronald D. Pickard, Joseph W. Racette | 1985-03-05 |
| 4501506 | Dot matrix print head | David E. Weeks, Robert L. Wirth | 1985-02-26 |
| 4490057 | Print wire solenoid | — | 1984-12-25 |
| 4484170 | Dot matrix print head solenoid assembly | Robert L. Wirth, David E. Weeks | 1984-11-20 |
| 4418356 | Ink jet print head | — | 1983-11-29 |
| 4415910 | Ink jet transducer | — | 1983-11-15 |
| 4317004 | Imaging and scanning system | — | 1982-02-23 |