Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374943 | Method for activating and for driving printing elements | Manfred Lehmann | 1994-12-20 |
| 5353387 | Process for reducing the quantity of ink applied to recording substrates by ink printing devices to prevent image degradation | Benno Petschik | 1994-10-04 |