Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5800707 | Water filter | Erich Hoffmann, Dorothea Pytlik | 1998-09-01 |
| 4206345 | Electrically heatable home appliance | Rudolf Maass | 1980-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5800707 | Water filter | Erich Hoffmann, Dorothea Pytlik | 1998-09-01 |
| 4206345 | Electrically heatable home appliance | Rudolf Maass | 1980-06-03 |