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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 |
| 7879299 | Paddle fan medallion for enhancement of room air quality Accessories and methods for ceiling paddle fan fixtures for enhancing room air quality and killing common air borne viruses by air sterilization immediately within the room where the germs originate in a relatively large and diffuse sterilization zone at a relativel... | 02/01/2011 |
| 7462111 | Confidence putter A putter with a ball striking surface sufficiently large enough to inspire confidence that the ball will be struck within the sweet spot that is weighted to facilitate a pendulum putting stroke. The center of gravity of the putter head is higher than the center of g... | 12/09/2008 |
| 4602535 | Locking-mechanism for preventing premature opening of a tool A mechanism for preventing premature opening of a tool having two elongate handles comprising a carrier having a row of teeth at one edge and a spring-affected, pivotable pawl co-operating with the row of teeth. The pawl operates as a bistable rocker swin... | 07/29/1986 |
| 4589151 | Slatted bed system A slatted bed system comprising an articulating frame, a power unit, concave slats, a sculptured mattress and free standing support means. The articulating frame is in four sections to facilitate the independent raising of the head end and the portion und... | 05/20/1986 |
| 4574763 | Dual fuel carburetion system and method A dual fuel system for use with internal combustion engines comprising (a) a manually actuated dual fuel valve, (b) a liquified gas to gaseous fuel converter combining a liquified fuel lock-off valve responsive to engine vacuum and a fuel metering valve r... | 03/11/1986 |
| 4573208 | Compressed single side band communications system and method A compressed single side band communication system and method in which the audio signal is compressed prior to pre-emphasis and thereafter summed with a pilot tone for further compression prior to transmission. Initially, only the pilot tone is transmitte... | 02/25/1986 |
| 4572701 | Universal concrete screed system A system of forms for facilitating the pouring of concrete into slabs, including a single "universal" screed stake with four vertically spaced pairs of fingers for selective use with screeds of four different vertical dimensions, each of the pairs of fing... | 02/25/1986 |
| 4568178 | Fingerprint photocopy system The disclosed apparatus is an electro-optical fingerprint photocopier to copy fingerprints of a person. This apparatus uses a camera with one or more lenses to photocopy the impression made by the ridges on the tips of the fingers and thumbs. These impres... | 02/04/1986 |
| 4566867 | Dual diaphragm pump A pneumatically operated reciprocating three-way valve having particular application to a double diaphragm pump. The valve is operative without a lubricating oil mist or the inefficiency resulting from air leakage between the valve piston and cylinder. St... | 01/28/1986 |
| 4564134 | Pallet storage rack An apparatus and method for storing pallets or freight externally of a tractor trailer truck. The pallet storage apparatus generally comprises a planar rigid support frame dimensioned for disposition under the trailer of a tractor-trailer truck against th... | 01/14/1986 |
| 4563314 | Apparatus for cooling cooling water In an apparatus for cooling of cooling water trickler plates are arranged essentially in parallel. Along one side of each trickler plate water sprayed from the top trickles down, while the other side is kept dry. Thus a pair of adjacent trickler plates ea... | 01/07/1986 |
| 4563157 | Cold-proof water-proof garment This cold-proof water-proof garment is designed to be worn by someone working in cold seas, or aboard a ship in distress at sea, to protect the life of the wearer if he should fall into the sea.... | 01/07/1986 |
| 4558453 | Synchronization method and frequency hopping communication system A frequency hopping radio frequency communication system and method in which keying (at Time T1) of a transmitter (Tx) automatically initiates the transmission of a predetermined number of cycles (C1 -C8) of a sync acquisi... | 12/10/1985 |
| 4556262 | Direction changing path of a roller bearing for an endless linear motion The invention provides a shape of a wall surface of a direction changing path of a roller bearing for an endless linear motion. The outer wall surfaces of the direction changing path are formed convex outward. This convex outward outer wall surface can be... | 12/03/1985 |
| 4555805 | Secure mobile telephone system A communications system including a central station and a plurality of remote stations, for example, a mobile telephone system, is disclosed in which communications channel establishing signalling transmissions between the central and remote stations are ... | 11/26/1985 |
| 4549999 | Cooling tower A cooling tower is provided with a crown inwardly tapered towards the upper discharge opening defined by the upper rim of the crown to create a pressure differential greater on the inside than on the outside of the crown to inhibit cold air break-ins in s... | 10/29/1985 |
| 4548624 | Hygroscopic breather cap The hygroscopic breather cap for a fluid such as a liquid petroleum tank in which air enters the bottom of an elongated cylinder, passes through a knitted fabric filter to remove dust particles, passes through a desiccant along the entire height of the cy... | 10/22/1985 |
| 4543727 | Determination and passing on of a target direction for tanks In a method of determining the direction of a target by means of an optical square and passing on this direction to a magnifying sight for warfare tanks the exit window (4) of the optical square is provided with a vertical line of sight (8) and the entry ... | 10/01/1985 |
| 4541968 | Cooling tower A cooling tower is provided with a crown inwardly tapered towards the upper discharge opening defined by the upper rim of the crown to create a pressure differential greater on the inside than on the outside of the crown to inhibit cold air break-ins in s... | 09/17/1985 |
| 4539707 | Compressed single side band communications system and method A compressed single side band communication system and method in which the audio signal is compressed prior to pre-emphasis and thereafter summed with a pilot tone for further compression prior to transmission. Initally, only the pilot tone is transmitted... | 09/03/1985 |
| 4533335 | Cold-proof water-proof garment There is disclosed a cold-proof water-proof garment, which is to be worn for marine operations on cold water and can save life in such a case as when a man wearing it accidentally drops into water or encounters perils of the sea.... | 08/06/1985 |
| 4531440 | Radial arm timber saw and power controller therefor A hydraulically powered mobile radial arm timber saw and control assembly in which positive control of saw movement is maintained from the fully retracted saw position to the fully extended saw position by a novel hydraulic control assembly.... | 07/30/1985 |
| 4530476 | Ordnance delivery system and method including remotely piloted or programmable aircraft with yaw-to-turn guidance system A method and system for delivering ordnance to a target via a remotely piloted or programmable aircraft including a yaw-to-turn guidance system, a deployment and launching system and packaging for the aircraft are disclosed.... | 07/23/1985 |
| 4523487 | Device for positioning and position stabilizing A device for positioning and position stabilizing an inert mass supported for sluing on a base, comprising two driven portions (11,15) adapted to be driven by a motor (1) by way of controllable friction clutches (9,13) is furnished with a single rotor (5)... | 06/18/1985 |
| 4504289 | Hygroscopic breather cap The hygroscopic breather cap for a fluid such as a liquid petroleum tank in which air enters the bottom of an elongated cylinder, passes through a knitted fabric filter to remove dust particles, passes through a desiccant along the entire height of the cy... | 03/12/1985 |
| 4504097 | Return hole of a roller bearing for endless linear motion In a roller bearing for endless linear motion, a return hole is provided in which its cross section is of a composite shape formed by a basic circular hole and a square section concentric thereto. As a result, various advantages such as less resistance to... | 03/12/1985 |
| 4502025 | High speed PIN diode switched antenna coupler and method A high speed antenna coupler and method for rapidly switching binary weighted values of inductance and capacitance into and out of the circuit between an antenna and a utilization circuit without unacceptably degrading the coupler or slowing the switching... | 02/26/1985 |
| 4496198 | Roller bearing for endless linear motion A roller bearing for endless linear motion wherein a casing mounted on a track rail makes linear motion through a plurality of rollers circulating endlessly. A circulating path for the rollers is constructed by load track, return hole and direction changi... | 01/29/1985 |
| 4492207 | Dual fuel system A dual fuel system for use with internal combustion engines comprising a manually actuated dual fluid valve which alternatively supplies gasoline to the engine's carburetor or engine intake manifold vacuum to a single-stage liquified gas to gaseous fuel c... | 01/08/1985 |
| 4486371 | Production of a decorative wood panel with simulated wood inlay A novel decorative panel and method of manufacture in which a wood panel is grooved, the groove filled by synthetic inlay material which is permitted to cure to the approximate hardness of the wood, the entire surface of the panel is thereafter abraded to... | 12/04/1984 |
| 4485421 | Colored floppy diskette A colored diskette for holding a floppy disk with an outer colored substrate sheet forming an outer envelope, the inside of which is lined by a conductive layer acting as a shield and which is lined by a liner in which the disk rests. The data stored on t... | 11/27/1984 |
| 4479372 | Method of manufacturing metallic bent pipe A method capable of continuously manufacturing a metallic bent pipe having straight pipe portions at both ends of a bent pipe portion which have been subjected to the same heat treatment as that for the bent pipe portion. The method comprises the steps of... | 10/30/1984 |
| 4474298 | Necktie organizer A necktie organizer of the type adapted to hang over a closet pole in which the tie supporting rod is provided with separaters to define sections in which ties might be organized by color, or the like, and in which the tie support of each of the sections ... | 10/02/1984 |
| 4462496 | Method and apparatus for separating spheres from non-spheres A method and apparatus for separating the spheres from the non-spheres in a large number of particles of lamp fill material of substantially equal mass in which the spheres are placed in the grooves of an inclined surface to roll downwardly thereon under ... | 07/31/1984 |
| 4461518 | Sliding roller bearing A sliding roller bearing with guides for the bearings adjacent the track surface in the load zone and transition zone. The stepped rollers are formed by coaxial insertion of a hollow pin into a hollow roller and the track is exposed prior to assembly to f... | 07/24/1984 |
| 4449948 | Method of introducing sodium amalgam into lamps and lamp containing sodium amalgam particles Substantially pure, free flowing, sodium amalgam particles of predetermined composition and controlled particle size are prepared for use as vaporizable fill for high pressure discharge lamp devices, whereby accurately measurable quantities of the sodium ... | 05/22/1984 |
| 4444089 | Stabilizing and aiming drive means for a turret of a vehicle A stabilizing and aiming drive for the turret (2) of a vehicle (1) comprises brake surfaces at revolving rings (6,7) which are supported for rotation at the vehicle superstructure or at the turret. The revolving rings (6,7) are driven in opposite directio... | 04/24/1984 |
| 4442331 | Method and apparatus of induction heating a metallic elongated material having different thickness sections The present invention relates to a method of uniformly induction heating a metallic elongated material having different thickness sections seen in the longitudinal direction, and more particularly relates to a method of ensuring substantially uniform heat... | 04/10/1984 |
| 4428556 | Universal concrete screed system A system of forms for facilitating the pouring of concrete into slabs including a single "universal" screed stake with three vertically spaced pairs of fingers or ear-like members may be selectively used with screeds of four different vertical dimensions,... | 01/31/1984 |
| 4419303 | Method for producing large diameter high purity sodium amalgam particles Substantially pure, free flowing, sodium amalgam particles of predetermined composition and controlled particle size are prepared for use as vaporizable fill for high pressure discharge lamp devices, whereby accurately measurable quantities of the sodium ... | 12/06/1983 |
