Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11678782 | Vacuum cleaner filter bags comprising recycled textile materials and/or cotton linters | Ralf Sauer | 2023-06-20 |
| 11602252 | Vacuum cleaner filter bag made from recycled plastic | Ralf Sauer | 2023-03-14 |