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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 4256402 | Method and apparatus of detecting toner concentration of dry developer A method and apparatus to detect the toner concentration of two component dry developer comprising toner and carrier includes the use of a toner catcher having a conductive member and which is capacitively charged. The developer is applied to the catcher,... | 03/17/1981 |
| 4195260 | Apparatus for sensing deterioration of developing substance including ferromagnetic carrier and non-magnetic toner particles Deterioration of a dry developing substance causes toner particles to be so strongly adhered to carrier particles that they cannot be readily separated therefrom. The present apparatus comprises means for applying a predetermined electrostatic or air suct... | 03/25/1980 |
