Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9551416 | Method for changing gear stages and transmission arrangement | Frank Riggenmann, Karl-Heinz Vogl, Michael Frasch, Heinz Hense | 2017-01-24 |
| 7983825 | Method and transmission arrangement for changing gears | Michael Frasch, Karl-Heinz Vogl | 2011-07-19 |