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Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 4434818 | Wire feeding and wire forming device for paper clip making machine An apparatus used for the paper clip making machine downstream of the cutting machine comprises, a set of conveyors including continuous belt continuous chains, transferring wheels for advancing the cut wires, pieces of magnet properly located on the conv... | 03/06/1984 |
| 4429799 | Bottle with a one-piece corking means A closure arrangement for stoppering bottles with pressurized, carbonated, water-based liquid contents which comprises in combination; a bottle having a body portion, an elongated neck portion with two annular flanges thereon, and a mouth portion; and a o... | 02/07/1984 |
| 4424034 | Arrangement for, method of, and device for use in taking dental impressions and in restoring teeth A ring-like adjustment member having a plurality of adjustable elements is mounted in a tooth-encircling relationship with a prepared tooth having a finish line. Each element is adjustably movable so that its leading edges may be moved toward an attachmen... | 01/03/1984 |
| 4422212 | Non-readily detachable luggage support unit A detachable luggage-supporting, ground-engaging convertible accessory unit comprises a base member and at least one slide member which is guided for sliding movement on the base member. The base member is secured to a piece of luggage. A caster roller de... | 12/27/1983 |
| 4421221 | Revolving table for book-binding stackers and the like An improved revolving table intended for stackers as utilized in book-binding shops and the like, has a pusher reciprocating arrangement which is accommodated in the table structure, the pusher being, at its travel limit positions, located on the surface ... | 12/20/1983 |
| 4419012 | Position measuring system A position measuring system comprising a transmitter (5, 19) mounted on one body and arranged to direct a flashing beam of radiation onto an area sensor (11) which is mounted on the other body and forms part of a receiver arranged to produce an output ind... | 12/06/1983 |
| 4418958 | Plastics chair shell A chair shell of resilient material such as polypropylene comprises a back support 12 and a seat portion 14. The natural deformability of the back support 12 is modified by slits 22, 24 and holes 32, 34, 36 so that under pressure from the back of a sitter... | 12/06/1983 |
| 4417936 | Plastic web with multiplicity of gas filled bubbles, containing printing thereon and method of making same A plastic web composes plural laminae mutually defining a multiplicity of gas-filled bubbles, the plastic web being formed so as to include printing on an exterior surface of the web. The printing is included in the plastic web in such a manner as to be a... | 11/29/1983 |
| 4417911 | Manufacture of optical fibre preforms In the manufacture of a glass optical fibre preform by forming a coating of oxide material on the interior surface of a substrate tube, in particular a coating of silica and one or more dopant oxides on a vitreous silica tube, by causing a reaction to tak... | 11/29/1983 |
| 4416632 | Paint-by-numbers kit A novel paint-by-numbers kit containing a panel board with a non-porous paper mounted thereon. The paper contains thereon a plurality of different unpainted picture areas and a plurality of different water-insoluble portions together constituting an unpai... | 11/22/1983 |
| 4415323 | Pasta-making kitchen appliance with a drying arrangement A kitchen appliance for producing pasta or dough products, such as spaghetti, noodles, macaroni and similar cross-sectionally solid or tubular products, or sheets of farinaceous material includes an air blower which directs a stream of air against the res... | 11/15/1983 |
| 4411555 | Draining, irrigating and dispersing mass The mass for the drainage, irrigation and lightening of soils is constituted by hollow elements (1) delimiting capillar or semi-capillar passages. The elements (1) are bulked up so that they can rest in an irregular fashion one relative to the others by p... | 10/25/1983 |
| 4409974 | Bone-fixating surgical implant device A surgical implant for the fixation of bone portions and methods for using the same to reduce bone fractures with or without the use of bone fixating plates and in a variety of surgical procedures where rigid fixation of bones or bone portions even under ... | 10/18/1983 |
| 4409805 | Key operated lock A key operated lock comprises, a lock body; a retractable lock bar with a bevel head, operable by an external pressure, disposed in the body; two locking plates abutted one another in the body and biassed by two separate springs parallelly and opposite to... | 10/18/1983 |
| 4409470 | Narrow-bodied, single-and twin-windowed portable laser scanning head for reading bar code symbols A narrow-bodied, single-and twin-windowed, hand-held, laser scanning head for reading bar code symbols includes at least one window mounted at the rear region of the head, and through which either the incident beam going to the symbol and/or the reflected... | 10/11/1983 |
| 4409203 | Non-nitrocellulose non-formaldehyde or formaldehyde resin nail polish employing an acrylate resin as the film former A nail polish that does not contain as a film-forming ingredient a potentially explosive nitrocellulose film former, and furthermore it does not contain formaldehyde or formaldehyde resin as a hardener which embrittles and dries the nails, and is non-alle... | 10/11/1983 |
| 4408378 | Apparatus for forming a filament coil of figure of eight conformation A length of filament, such as wire or optical fiber, is loosely coiled on a flat carrier, in the form of a figure of eight coil, the lobes of which are laid respectively in clockwise and anticlockwise directions, by feeding the filament downwards through ... | 10/11/1983 |
| 4408251 | Tamper-resistant security system for and method of operating and installing same A tamper-resistant security system for and method of operating and installing the same are disclosed for electronically controlling an access device such as a garage door. A manual keyboard encoder mounted exteriorly on a garage door jamb is operative for... | 10/04/1983 |
| 4407564 | Head-up displays A display unit for a head up display wherein the combiner (9), which serves to reflect light from a display surface (3) towards an observer to provide the observer with an image of the display superimposed on his view through the combiner, comprises first... | 10/04/1983 |
| 4404861 | Liquid flowmeter A flowmeter having a flow passageway with co-axial inlet and outlet openings at its opposite ends and a vaned flow measuring rotor between the openings. The rotor is mounted in low friction bearings and yet the meter is operable within the normal accuracy... | 09/20/1983 |
| 4404641 | Maintenance monitor Disclosed is a maintenance monitor which at a preselected interval will automatically alert one that the equipment of concern is due for maintenance. The maintenance monitor includes a control unit sensing device such as a switch inductive pickup etc., a ... | 09/13/1983 |
| 4402935 | Moisturizing nail polish composition An improved nail polish composition for application to human nails which allows a polished nail to retain and absorb moisture thereby preventing brittleness and breakage of polished nails. Water and urea are used in the composition to impart moisture to t... | 09/06/1983 |
| 4402604 | Method for the on-line measurement of inclusions in pulp Apparatus for inspecting pulp or similar material arranged to flow in a sheet 10 past an inspection station, comprising a row of photosensitive devices 14 arranged to receive light reflected from or transmitted through the material, circuit means 30 recei... | 09/06/1983 |
| 4400899 | Album The album has an imperforate backing member. Attached to the backing member are a plurality of transverse, parallel rectilinear strips each coated at its underside with adhesive. The strips are each adhered to the top face of the backing member, each stri... | 08/30/1983 |
| 4394410 | Disposable foil broiling sheet An improved disposable foil cooking sheet which is manufactured as a triputite laminate. The laminate comprises a generally flat foraminous impermeable foil upper layer, a central core of dry bibulous material and a generally flat imperforate lower layer.... | 07/19/1983 |
| 4392121 | Receiver for A.C. electrical supply signalling arrangement A receiver for an a.c. electrical supply signalling arrangement of the kind in which information is transmitted by impressing on the supply voltage waveform voltage reductions which bridge the zero crossings in the waveform wherein detection by the receiv... | 07/05/1983 |
| 4391575 | Kitchen appliance for making farinaceous products A kitchen appliance for and method of making farinaceous products such as spaghetti, fettucini, macaroni, manicotti, lasagna, pizza crusts, taco shells, bagels, breadsticks and like dough products, use a mixing chamber for receiving the product ingredient... | 07/05/1983 |
| 4391440 | Portable exercising apparatus A portable lightweight body-anchored exercising apparatus for use in exercising the human body made up of a frame, a pair of ropes with free ends pullable by a user, weights for resisting the pulling forces, and a base connected to the frame and on which ... | 07/05/1983 |
| 4390835 | Fault identification in electric power transmission systems A method of identifying faults in a polyphase alternating current electric power transmission system wherein determination of the type of fault occurring is effected by monitoring, using analogue techniques, the instantaneous values of quantities derived ... | 06/28/1983 |
| 4387297 | Portable laser scanning system and scanning methods An entirely field-portable laser scanning system for reading bar code symbols includes a light-weight and small-sized laser scanning head. The laser source, power supply component, optics, scanning elements, sensor circuit, and signal processing circuitry... | 06/07/1983 |
| 4385803 | Display units with periscopic arrangement A display unit for a head-up display system which includes a periscopic arrangement 21a,b at each side of the exit pupil 19 of an optical projector. This arrangement is effective to direct collimated light to a conventional monocombiner 11, from lateral p... | 05/31/1983 |
| 4385767 | Movable targets A three-dimensional movable gunnery target comprises an envelope of flexible material such as rubber, neoprene, plastics material or fabric, which is rapidly dilatable to a predetermined shape, for example by internal gas pressure from a chemical or pyrot... | 05/31/1983 |
| 4385492 | Turbine This invention relates to turbines which are arranged to be driven by an oscillating flow of working fluid especially by movement of air above a naturally moving body of water. Conventional turbines require four valves to direct an oscillating flow of flu... | 05/31/1983 |
| 4384383 | Push-type broom A push-type sweeping broom having a handle with a connector end terminating in a reduced-diameter threaded section and a broom block, preferably of molded plastic material, with a raised inclined mound on the upper surface thereof surrounding a blind bore... | 05/24/1983 |
| 4383964 | Process and machine for over-molding connectors on electrical conductors For over-molding a thermo-plastic material on a connector, the connector is, at the outlet of the machine having crimped the connector on a conductor, carried into a gripper maintaining the connector when introducting a core mounted on a conveyor. The con... | 05/17/1983 |
| 4383712 | Composite seat cover A composite seat cover includes a covering element which has two opposite major surfaces one of which faces away from the seat in use. This surface is provided with a plurality of regions which may be provided on separate members affixed to one another, s... | 05/17/1983 |
| 4383689 | Symbol game method A game whose object is the formation of words or groupings of symbols utilizing a plurality of multi-faceted playing pieces, such as cubes, each of whose faces bears a single symbol such as a letter. The playing pieces are positioned in a receptacle which... | 05/17/1983 |
| 4383324 | Digital data transmission systems In a receiver arrangement for a quadrature phase-shift digital data transmission system including an adaptive equalizing regenerator, a phase control signal for the local oscillator is derived from an output of the regenerator and decision feedback signal... | 05/10/1983 |
| 4382510 | Roll dispensing container A roll dispensing container which is used for storing an elongated web of thermoplastic material comprising plural laminae which define a multiplicity of gas-filled bubbles.. The container is constructed in a manner that permits easy measured dispensal of... | 05/10/1983 |
| 4381214 | Process for growing crystals According to this invention a process for forming a crystal of a substance comprises securing surfaces of two crystals (1) together with the axes of the crystals aligned and depositing said substance onto the joined crystals thereby causing them to grow i... | 04/26/1983 |
