Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805845 | Method and apparatus for winding a thread and a package formed thereby | Felix Graf | 1989-02-21 |
| 4237686 | False twisting apparatus | Hans Schellenberg | 1980-12-09 |
| 4213573 | Air coupling | Kurt Schefer | 1980-07-22 |