Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823557 | Wringing device for cleaning elements of wet and moist mops | — | 2004-11-30 |
| 6733199 | Device for wiping and cleaning dirty surfaces | Hans-Jurgen Wendelken | 2004-05-11 |
| 6684450 | Wringing device | — | 2004-02-03 |