Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4730196 | Ink-jet printer | Johannes van Esdonk, Michael Doring | 1988-03-08 |
| 4707714 | Covering device for protecting the nozzle area of an ink jet writing head | Manfred Rosenthal | 1987-11-17 |