Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D648910 | Sweeper foot | Meghan M. Raven, Douglas J. Medema | 2011-11-15 |
| D646032 | Canister for a vacuum cleaner | Lawrence Chun-Hei Chu, Wendy Hui Wu, Michael Luyckx, Douglas J. Medema | 2011-09-27 |
| D644384 | Wand for a vacuum cleaner | Wendy Hui Wu, Lawrence Chun-Hei Chu | 2011-08-30 |
| D633667 | Carpet cleaning machine | — | 2011-03-01 |