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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 |
| 5797212 | Fishing gear holder A portable fishing gear holder comprises a single piece of plastic having attachment means at its upper end to readily attach the device to any of many types of clothing, a plurality of forwardly-extending spring arms adapted to grasp and hold the handle ... | 08/25/1998 |
| 5788201 | Article hangers An article hanger or keeper comprises a wire formed as a major portion of one turn of a geometric solenoid with two hook end portions having bent-back ends which include bends of approximately π radians (180°) around a radius approximating the diameter ... | 08/04/1998 |
| 5642829 | Containers An article container is formed by two generally interlocking wire sheet pieces which fold together in clamshell fashion to provide a container for articles to which access may be had.... | 07/01/1997 |
| 5597359 | Audience motion platform A motion platform system for tilting and moving an audience of seated people as they view scenes projected on a screen includes four hydraulic cylinders arranged not only to pitch, roll, and heave (vertically translate) the audience, but also to provide l... | 01/28/1997 |
| 5322464 | Compound-bubble producing flying toy A thrown or flying toy includes a bubble-producing element having plural openings and capable of producing compound bubbles (plural bubbles attached to each other) which generally resemble the shape of a toy airplane or a cartoon-like character.... | 06/21/1994 |
| 5240340 | Books and assemblies for books An improved leaf assembly for incorporation into a book, or formed as part of a cover of a book, to allow selective placement of a page adjacent or atop a selected leaf of the book.... | 08/31/1993 |
| 5172885 | Umbrella support A holder assembly for mounting an umbrella on any of a variety of wire baskets used on golf carts includes a hollow tube in which an umbrella handle may be inserted and retained against accidental removal, with means to readily adjust the height of the um... | 12/22/1992 |
| 5143175 | Cutting apparatus A sawbuck comprising a first pair of members which support one end of a log at a given elevation, with means to support another portion of the log at a lesser elevation, and means to chain down a portion of a log.... | 09/01/1992 |
| 5131848 | Testing method and apparatus A testing method and apparatus for determining the reaction time of machine operators, especially drivers of automotive vehicles. A series of images are projected onto a viewing screen to be observed by a student at a student station. The images comprise ... | 07/21/1992 |
| 5022290 | Adjustable locking wrench A locking plier-wrench includes a first handle member having a first jaw member lockable at a plurality of positions relative to the handle member and removable from the handle member so that a different jaw member having a different length shank may be s... | 06/11/1991 |
| 5015189 | Training apparatus A trainee station in a tractor-trailer training apparatus includes dummy controls simulating those of a tractor, and a display screen visible from the trainee station. At a remote diorama or terrain model a miniature tractor-trailer is moved atop the dior... | 05/14/1991 |
| 4852344 | Waste disposal method and apparatus The economics of waste disposal are markedly improved by combining a waste-burning plant with a gas turbine-generator set, with exhaust gas from the gas turbine fed as combustion air into a waste-burning incinerator. A boiler associated with the waste-bur... | 08/01/1989 |
| 4850631 | Article manipulator Application of tension simultaneously to three cords extending through respective coil springs and attached off the axes of the springs causes movement of tactile members on the ends of the springs to grasp, lift and rotate a workpiece. A capacity sensiti... | 07/25/1989 |
| 4848306 | Archer's bow A mechanical cord winding device in the form of a reel is secured to an archer's bow to apply tension to a cord which is fastened to a bowstring device or sight in such a manner as to align the back sight of the bow with respect to the front sight thereof... | 07/18/1989 |
| 4846686 | Motor vehicle simulator with multiple images The driver training simulator system of the present invention includes a visual display system and a student station. The student station has simulated automotive control elements such as a steering wheel, brake pedal, accelerator pedal, etc. The visual d... | 07/11/1989 |
| 4807835 | Spacecraft attitude stabilization system The attitude of a spacecraft can be effectively controlled in three axes using the combination of a gravity gradient boom and three electromagnets. The electromagnets are controlled according to a control law that takes into consideration signals from a m... | 02/28/1989 |
| 4794321 | Variable capacity proximity sensor A plurality of electrically conductive plates, preferably ring-shaped, are spaced from one another and electrically insulated from a conventional conductive probe rod, but movable therewith. The sizes and spacing of the plates are selected to provide a de... | 12/27/1988 |
| 4776391 | Heat exchanger method and apparatus An exhaust gas containing sulfur trioxide is passed through a first heat exchanger which cools the gas to a temperature which is above the sulfur trioxide dewpoint, so that condensation of sulfur trioxide does not occur in the first heat exchanger, but be... | 10/11/1988 |
| 4762203 | Lift truck lowering system A hydraulic relief valve terminates release of fluid to lower a lift truck load carriage if the load carriage becomes supported by external structure during one stage of lowering, and an electrical switch terminates release of fluid, and may disable truck... | 08/09/1988 |
| 4754837 | Lift truck steering apparatus In a lift truck having one steerable powered drive wheel assembly and a steerable idler wheel assembly interconnected by a pair of links and a crank, steering is accomplished by means which apply torque directly to the drive wheel assembly. The steering r... | 07/05/1988 |
| 4721187 | Lift truck mast structure The present invention provides an improved telescopic mast structure for a hydraulically operated lift truck. The mast structure of the present invention has reeved hydraulic hoses which do not obstruct the operators view and a chain connecting the inner ... | 01/26/1988 |
| 4718639 | Tire valve bodies A valve body containing a valve core comprises a generally cylindrical body having a tapered flange, allowing the valve body to be installed in a wheel rim so that none of it extends beyond the outer surface of the rim. The valve core is contained in a ce... | 01/12/1988 |
| 4707891 | Cable clamp A cable clamp for temporarily gripping an end length of cable comprises a tubular member having a side slot extending the length of the tubular member to allow a cable to be inserted into and removed from inside the tubular member. Spring means urge a bar... | 11/24/1987 |
| 4705101 | Flue gas reheat apparatus Flue gas is passed through a first heat exchanger, a wet scrubber, and a second heat exchanger. The first heat exchanger supplies heated liquid to the second heat exchanger to reheat the flue gas. The first heat exchanger comprises, and the second heat ex... | 11/10/1987 |
| 4697954 | Basemented floor structure for a waste dump A basemented floor structure under a waste dump, whereby the burden of the waste body is transferred to piers and then onto foundations and the subgrade, and on which layers of sealing material, drainage material or protective material lie, is built up fr... | 10/06/1987 |
| 4669530 | Heat exchanger method and apparatus An exhaust gas containing sulfur trioxide is passed through a first heat exchanger which cools the gas to a temperature which is above the sulfur trioxide dewpoint, so that condensation of sulfur trioxide does not occur in the first heat exchanger, but be... | 06/02/1987 |
| 4665564 | Upper torso garments A garment to be worn with a cervical traction device includes four detachable slit openings extending from adjacent neck-shoulder areas of the wearer to lower extremities of the garment, allowing the garment to be put on and taken off the wearer.... | 05/19/1987 |
| 4655039 | Lift system A hydraulic lifting and lowering system for battery-powered lift trucks includes an electronic control system which reduces or limits operator selected lifting commands in accordance with the current being drawn by an electric motor connected to drive a v... | 04/07/1987 |
| 4624642 | Vertebrae demonstration apparatus A metal panel carries views depicting a human spine. A plurality of movable pieces corresponding in shape to vertebrae or disks depicted on the panel are provided with magnet means, so that the pieces may be placed to overlie vertebrae areas on the panel ... | 11/25/1986 |
| 4577380 | Method of manufacturing heat exchangers A water-condensing heat exchanger recovers heat from a hot flue gas, subjecting tubes of the heat exchanger to substantial thermal expansion and contraction, and corrosive constituents in the flue gas require that metal tube sheets be thoroughly insulated... | 03/25/1986 |
| 4557202 | Exhaust gas treatment method and apparatus Exhaust gas treatment method and apparatus extract heat from an exhaust gas by operating in a water-condensing mode which allows more heat to be recovered, removes particulate matter and condensed acid from the exhaust gas, and washes heat exchange surfac... | 12/10/1985 |
| 4553752 | Golf apparatus A golf club handle includes a powder-carrying chamber which may be opened or closed by movement of a brush-carrying cap. Axially-removable and rotatable forms of caps are disclosed.... | 11/19/1985 |
| 4552121 | Archery sights An archery back sight is arranged to removably snap onto or slide onto a bowstring, and connected to a cord having an elastic portion and an inelastic portion which aims the backsight forwardly. The cord is positioned in a manner such that breaking of the... | 11/12/1985 |
| 4547844 | Shelf height selector A shelf height selector system for a lift truck provides signals to an operator as he raises or lowers a load carriage relative to a storage shelf level selected by a keyboard in order to perform a store or retrieve operation, and automatically stops carr... | 10/15/1985 |
| 4534433 | Material handling vehicle An auxiliary wheel is mounted on a lift truck caster wheel assembly to normally be carried above the floor, but to engage the floor to prevent overturning, thereby increasing the lateral stability of the truck.... | 08/13/1985 |
| 4528617 | Light distribution apparatus Compact devices for distributing light from a small area source to evenly light a larger area each comprise a member having a first plurality of surfaces which intercept respective slices of a light beam extending in a first direction and internally refle... | 07/09/1985 |
| 4527943 | Load handling method and apparatus Method and apparatus for storing and retrieving loads increases usable warehouse storage space by allowing a load having a given length and width to be stored and retrieved from a narrow aisle while requiring less wasted space between adjacent stored load... | 07/09/1985 |
| 4526112 | Heat exchanger method and apparatus Exhaust gas treatment method and apparatus extract heat from an exhaust gas by operating in a water-condensing mode which allows more heat to be recovered, removes particulate matter and condensed acid from the exhaust gas, and washes heat exchange surfac... | 07/02/1985 |
| 4518856 | Line sensing method and apparatus An optical thin line-tracking sensor comprises a small member mounting ends of a light source fiber and a pair of receiving fibers which receive reflected light. Reflected light transmitted through the receiving fibers operate photosensors whose outputs a... | 05/21/1985 |
| 4518400 | Steam-sieve method and apparatus Steam is compressed and heated to make a churn gas that is rife in synthetic fuel, and hydrogen and oxygen are sifted from the churn gas before the steam is re-cycled.... | 05/21/1985 |
