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| Number | Title | Issue Date |
| 4748713 | Vacuum cleaner assembly An electric vacuum cleaner has a floor engaging unit, a generally vertically extending handle assembly pivotally affixed to the rear of the floor engaging unit, and a porous bag assembly mounted to the front of the handle assembly. The handle assembly is ... | 06/07/1988 |
| 4701975 | Vacuum cleaner assembly An electric vacuum cleaner has a floor engaging unit, a generally vertically extending handle assembly pivotally affixed to the rear of the floor engaging unit, and a porous bag assembly mounted to the front of the handle assembly. The handle assembly is ... | 10/27/1987 |
| 4665582 | Lightweight battery powered suction broom A lightweight broom having a rechargeable battery powered vacuum pump and a mounting assembly for pivotally mounting a nozzle. The mounting assembly and power assembly are spaced apart on a frame carrying both assemblies, and a filter bag arrangement is r... | 05/19/1987 |
| 4648149 | Vacuum cleaner assembly An electric vacuum cleaner has a floor engaging unit, a generally vertically extending handle assembly pivotally affixed to the rear of the floor engaging unit, and a porous bag assembly mounted to the front of the handle assembly. The handle assembly is ... | 03/10/1987 |
| 4621390 | Vacuum cleaner assembly An electric vacuum cleaner has a floor engaging unit, a generally vertically extending handle assembly pivotally affixed to the rear of the floor engaging unit, and a porous bag assembly mounted to the front of the handle assembly. The handle assembly is ... | 11/11/1986 |
| 4392271 | Electric vacuum cleaner with window for viewing belt An electric vacuum cleaner has a generally opaque housing enclosing a bruch roller rotatable about a horizontal axis, a motor, and a belt or the like extending from the motor to a pulley on or affixed to the brush roller, for driving the brush roller. A t... | 07/12/1983 |
| 4123597 | Thermal cells 1. A thermal cell comprising a metal container, heat source material in said container, said container forming one electrode of said cell, dry electrolyte in contact with the outer surface of said container, and an outer metal shell contacting said electr... | 10/31/1978 |
