Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876561 | Printing apparatus and toner/developer delivery system therefor | — | 1989-10-24 |
| 4860036 | Direct electrostatic printer (DEP) and printhead structure therefor | — | 1989-08-22 |
| 4814796 | Direct electrostatic printing apparatus and toner/developer delivery system therefor | — | 1989-03-21 |
| 4810604 | Combination xerographic and direct electrostatic printing apparatus for highlight color imaging | — | 1989-03-07 |