Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875057 | Modular optical printhead for hard copy printers | Yee S. Ng, Hieu T. Pham | 1989-10-17 |
| 4825244 | Development station with improved mixing and feeding apparatus | — | 1989-04-25 |
| 4821051 | Optical printhead having thermal expansion stress relief | — | 1989-04-11 |