Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887098 | Thermal ink jet printer having printhead transducers with multilevelinterconnections | William G. Hawkins | 1989-12-12 |
| 4860030 | Resistive printhead arrays for thermal transfer printing | Gary A. Kneezel, Robert V. Lorenze, Jr., Michael P. O'Horo, Martin S. Maltz, Richard Kellerman | 1989-08-22 |