Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620326 | Adjustment means and garment | — | 1986-11-04 |
| 4507000 | Character print wheel with drive elements | Richard D. Thornton | 1985-03-26 |
| 4413920 | Printing ribbon cartridge with flexible ribbon guides | Collier M. Miller | 1983-11-08 |
| 4290704 | Flexible ribbon guide means | — | 1981-09-22 |
| 4288709 | High performance stepper motor | Richard D. Thornton | 1981-09-08 |
| 4198582 | High performance stepper motor | Richard D. Thornton | 1980-04-15 |