Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666386 | Rotary pump | Otmar Winkler, Heinz Peter, Siegbert Kessler, Ludwig Feuerer | 1987-05-19 |
| 4202558 | Support body for rollers of skating devices | Armin Olschewski, Manfred Brandenstein, Horst Martin | 1980-05-13 |