Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883005 | Sewing machine with a tensioning device having a plurality of tensioning rollers | — | 1989-11-28 |
| 4607583 | Cutting device in a sewing machine for cutting at least one thread chain or a sewn-on tape | Kurt Biermann, Gerhard Steppat | 1986-08-26 |