Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12042117 | Retainer plate with a seal element | Ralf Sauer | 2024-07-23 |
| 12016515 | Vacuum cleaner filter bag with recycled textile materials and/or cotton liners | Ralf Sauer | 2024-06-25 |
| 11896922 | Vacuum cleaner filter bag with powdery and/or fibrous recycled material | Ralf Sauer | 2024-02-13 |