Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650351 | Thermal printer | Vencil D. Engle, Cameron H. Hafer, Frank Hughes, Donald J. Steger, Edward G. Stewart +1 more | 1987-03-17 |
| 4557616 | Resistive ribbon thermal transfer printing system and process | Derek B. Dove, Claus D. Makowka | 1985-12-10 |