Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696890 | Method of register regulation and printing control element for determining register deviations in multicolor printing | Wolfgang Geissler, Gerhard Fischer, Rudolf-Karl Uhrig | 1997-12-09 |
| 5621443 | Ink-jet device and method of operation thereof | Rainer Buschulte | 1997-04-15 |