Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105751 | Process for carrying out a sewing operation with a sewing machine with needle feed | Mathias Ulmen, Dieter Balzer | 1992-04-21 |
| 4671197 | Sewing machine with step motor operated oscillation drive | Herbert Wenz | 1987-06-09 |
| 4643117 | Sewing machine feed setting device | Klaus Wentz | 1987-02-17 |
| 4643118 | Sewing machine with step motor operated feed device | Mathias Ulmen, Herbert Wenz | 1987-02-17 |