Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5537943 | Sewing machine presser device, with chaining-off foot | Hans-Dieter Bartholoma, Milan Petrovic, Johannes Strauss | 1996-07-23 |
| 5477796 | Sewing machine with lower feed mechanism | Dieter Schopf, Johannes Strauss | 1995-12-26 |
| D256922 | Motor housing and handle for a portable bag closing sewing machine | Guenter J. Haak | 1980-09-16 |