Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10639690 | Preparing a tube end for rod drawing | Thomas Winterfeldt | 2020-05-05 |
| 9994965 | Method and system for the production of semi-finished copper products as well as method and apparatus for application of a wash | Thomas Winterfeldt, Michael Schwarze | 2018-06-12 |