Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068970 | Method of operation for an internal combustion engine | Herbert Twiefel, Heinrich Isfort | 2011-11-29 |
| 8061112 | Agricultural working machine with ground speed control | — | 2011-11-22 |