Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9782823 | Forging device for the production of a piston blank, and method for the production of the piston blank by means of said forging device | Roland Grunert, Juergen Friedrich, Wolfgang Janisch, Armin Wenzel | 2017-10-10 |