Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867060 | Drive system for sheet-fed rotary printing machine | Victor Hefftler, Hans Johne, Horst Schulz, Helmut Schone | 1989-09-19 |
| 4867062 | Method of and a circuit for metering ink in rotary printing machines | Wolfgang Mueller, Falko Missbach, Volker Eichler | 1989-09-19 |
| 4811663 | Driving system for sheet-fed rotary printing machine | Victor Hefftler, Hans Johne, Horst Schulz, Helmut Schone | 1989-03-14 |