Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937593 | Print head position control system | — | 1990-06-26 |
| 4896166 | Replaceable thermal print head assembly | Robert A. Barker, Jonathan James Burnard, Thomas Alexius Davis, Melanie L. Seat | 1990-01-23 |
| 4359217 | Inverter with proportional force paper drive | George J. Roller | 1982-11-16 |