Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909454 | Apparatus for inserting a winding sleeve or core into a winding machine | Ewald G. Welp, Waldemar Neumann, Georg Muller, Hartmut Dropczynski, Luzian Kies | 1990-03-20 |