Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7887613 | Vacuum cleaner having dirt collection vessel with toroidal cyclone | — | 2011-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7887613 | Vacuum cleaner having dirt collection vessel with toroidal cyclone | — | 2011-02-15 |