Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10641712 | Process and apparatus for sorting reusable pieces of raw material | Winfried Barkhausen, Hans-Bernd Pillkahn | 2020-05-05 |
| 6114651 | Laser beam apparatus and workpiece machining process | Holger Schluter, Axel Zwick, Konrad Wissenbach, Frank Reichel, Winfried Barkhausen | 2000-09-05 |