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| Number | Title | Issue Date |
| 4912805 | Dual-purpose rotating brush for vacuum cleaner A cylindrical power brush for a vacuum cleaner includes two types of bristle tufts. One type of bristle tuft is short and stiff for contacting and agitating a carpeted surface. The other type of bristle tuft is longer and softer for contacting a hard surf... | 04/03/1990 |
| 4684788 | Electric toaster oven control An electric toaster oven construction wherein a unique rotatable cam, cam follower and control panel construction accurately sets the threshold temperature of a thermostat switch. The rotatable cam is loosely mounted in the control panel and the cam follo... | 08/04/1987 |
