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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 |
| 4353370 | Medicated ear rods and earring construction A medicated ear rod is provided for cleaning the pierced ear hole of the earlobe. A grooved or ruffled rod member containing an absorbent material loaded with a cleaning agent is adapted to be passed into and out of the earlobe hole and then disposed of. ... | 10/12/1982 |
| 4313022 | Solar cell array An array of photovoltaic cells in a back wall-type configuration supported by a rigid transparent vitreous substrate, such as glass, for admitting incident radiation to the cells. A plurality of cells are interconnected into a desired electrical configura... | 01/26/1982 |
| 4312354 | Pacemaker with circuit for pulse width modulating stimulus pulses in accordance with programmed parameter control states An implantable pacemaker having circuit means for indicating, by pulse width modulation of the delivered pacing pulses, the programmable control states which control the selected pacemaker operating perameters. The circuitry includes a parallel to serial ... | 01/26/1982 |
| 4312350 | Apparatus for collecting seminal fluids Method and apparatus for collecting seminal fluid for artificial insemination is provided and wherein the apparatus has a flexible wall closed at one end and with a rim at the other open end movable in a reciprocating fashion back and forth with respect t... | 01/26/1982 |
| 4307681 | Apparatus for quality film formation Methods and apparatus are provided for forming films of materials which are component layers of solar energy conversion devices, e.g. photovoltaic cells and heat collector panels. A selected substrate, generally glass, is heated while being sprayed with s... | 12/29/1981 |
| 4304607 | Photovoltaic cell A photovoltaic cell having an electrically conductive substrate, which may be glass having a film of conductive tin oxide; a first layer containing a suitable semiconductor, which layer has a first component film with an amorphous structure and a second c... | 12/08/1981 |
| 4300926 | Separation apparatus A duct increasing in cross-sectional area is provided with a screen means on its upper wall. An adjustable baffle is hingedly fixed to the lower wall of the duct at the inlet. Air-borne material carried in an air stream introduced at the inlet is separate... | 11/17/1981 |
| 4290430 | Pacer analyzer A method and apparatus are provided for determining the compatibility between a selected implantable pacer and a patient within which the pacer is to be implanted wherein the pacer does not have to be directly connected to the patient during the compatibi... | 09/22/1981 |
| 4290304 | Back-up power tongs and method A back-up tong for use with a power tong holds the lower pipe in a pipe joint from being rotated, so as to effect makeup or breakout of the pipe joint. The back-up tong employs sliding heads which are driven by camming surfaces on a ring-like member fixed... | 09/22/1981 |
| 4289292 | Variably supported container A container for suspending various small articles such as toiletries, poisons, spices, and plants from an overhead support at a plurality of elevations is provided. A releasably locking member for one-handed height adjustment of the container is further p... | 09/15/1981 |
