Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835553 | Thermal ink jet printhead with increased drop generation rate | Peter A. Torpey, Narayan V. Deshpande, Donald J. Drake | 1989-05-30 |
| 4833491 | Thermal ink jet printer adapted to operate in monochrome, highlight or process color modes | — | 1989-05-23 |