Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803500 | Ink printer means comprising interchangeable ink heads | — | 1989-02-07 |
| 4728968 | Arrangement of discharge openings in a printhead of a multi-color ink printer | Ruediger Hillmann, Hubertus Reinfeld, Emmeran Vollert | 1988-03-01 |
| 4631548 | Multicolor ink jet printer | — | 1986-12-23 |