Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7644600 | Method and device for forming an essentially flat metal blank to produce a thin-walled, shell-type body, and the use of same | Helmut Michel, Wulf Radtke | 2010-01-12 |
| 7454936 | Method and device for forming an essentially flat metal blank to produce a thin-walled, shell-type body, and the use of same | Helmut Michel, Wulf Radtke | 2008-11-25 |