Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7478468 | Method for the production of a rim hole in hollow profiles | — | 2009-01-20 |
| 6662447 | Method and apparatus for the production of double-walled hollow sections by means of internal high-pressure forming | Stefan Schwarz | 2003-12-16 |