Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5426929 | Method and apparatus for forming a yarn reserve on a cross-wound bobbin | Hans-Werner Schwalm, Maximilian Preutenborbeck | 1995-06-27 |
| 4641740 | Bobbin tube magazine | Hans Grecksch, Hans-Werner Schwalm | 1987-02-10 |