Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123448 | Agitator for fixing and/or conveying aggressive liquids and/or liquids containing solids or fibers | Klaus Becker, Wilfried Wasser, Hans-Peter Fassbender | 2000-09-26 |
| 4867585 | Ribbon cassette with swingable ribbon-guide arms | — | 1989-09-19 |
| 4729677 | Typewriter ribbon cassettes with multiple typing tracks | Markus Trabelsi | 1988-03-08 |