Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8992826 | Method for producing a semifinished product and semifinished product for electrical contacts and contact piece | Helmut Heinzel, Norbert Witulski, Stefan Dasler, Andreas Kraus, Johann Wenz +2 more | 2015-03-31 |