Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8789273 | Piston for internal combustion engines, produced by means of a multi-orbital friction welding method | Michael Albert Janssen, Gerhard Luz, Volker Gniesmer, Martin Weissert | 2014-07-29 |