Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950323 | Shifting device for shifting a motor vehicle gear box | Rudolf Kauffeldt, Hans-Joachim Martin, Gerhard Gumpoltsberger, Michael Ebenhoch, Michael Drabek +1 more | 2011-05-31 |
| 7913777 | Rock drill | Helmut Duscha | 2011-03-29 |