Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7937797 | Cleaning element and cleaning tool | Akemi Tsuchiya, Yoshinori Tanaka, Andrea Pfarr Switzer | 2011-05-10 |
| 7934287 | Head for a cleaning implement having a removable dirt bin | Widalys Luz De Soto-Burt, Kerry Lloyd Weaver, Brian David Andres, Paul John Edward Vernon, Brett Delainey | 2011-05-03 |