Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869787 | Hand-operated implement comprising a cutting chain for cutting mineral and metal materials | Hannah Thölking, Helmut Zimmermann, Jens Kreutzer, Jonas Lank | 2014-10-28 |
| 6375171 | Vibration damper | Helmut Zimmermann, Bernhard Durr, Manfred Rabis, Karl-Heinz Klopfer, Klaus-Martin Uhl +2 more | 2002-04-23 |
| 6293243 | Short-stroke internal combustion engine | Ingo Koder, Michael Brunner | 2001-09-25 |