Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9442039 | Equipment for measuring piston rings | Jens Picard, Frank Horn, Ulrich Lenhoff | 2016-09-13 |
| 6564456 | Method of finishing a valve seat for ball valves, in particular for fuel injection valves in internal combustion engines | Harald Goldau, Martin Wolters | 2003-05-20 |