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 |
| 4404158 | Method of making a building panel A method for making a panel adapted for mounting on a building, the panel being formed from a plurality of thin panels of a selected stone facing material, such as granite or marble, backed and interconnected by fiberglass-strengthened concrete underlayin... | 09/13/1983 |
| 4376250 | Portable power source An apparatus providing a source of alternating power for power devices is disclosed. The apparatus comprises a frame member having a plurality of ground engaging wheels for transporting the frame member along the ground. The frame member carries a plurali... | 03/08/1983 |
| 4367668 | Circular saw attachment An attachment for circular saws that supports a workpiece for movement past the saw blade. The attachment includes a saw-top plate that is adapted to cover and slide over the saw table surface of the circular saw. A guide on the saw-top plate fits within ... | 01/11/1983 |
| 4367664 | Combination tool An insert type drive tool (20) is configured to be insertable within both a square-shaped cavity (32) and a hexagonal shaped cavity (40) of the same size. In cross section shank (24) of tool (20) includes a pair of major sides (26) disposed in spaced para... | 01/11/1983 |
| 4366954 | Outboard motor support frame A mounting frame (10) for supporting an outboard motor (12) within a circular, open-topped receptacle (14), such as a garbage can, includes a pair of elongate, spaced-apart leg members (18) spanning across a portion of and resting upon the receptacle uppe... | 01/04/1983 |
| 4365803 | Game table A game table (20) includes a bed assembly (22) mounted on a frame (100) to rotate about its longitudinal, central axis. Table frame (100) is constructed from hollow side structures (102) each composed of a thin walled outer shell (106) joined together wit... | 12/28/1982 |
| 4365696 | One-piece locking clutch An improvement to a clutch housing, including a clutch mechanism manually operable to lock and unlock the vehicle axle to the vehicle wheel hub, is disclosed. The improvement comprises the clutch housing attachable to the vehicle wheel hub by a lock ring ... | 12/28/1982 |
| 4365677 | Earth boring apparatus Large hole boring equipment is used for boring a large diameter blind pilot hole. Then such equipment is removed from the hole and a room is blasted at the closed or blind end of the hole. Then the large hole cutterhead is replaced by a reamer and the equ... | 12/28/1982 |
| 4362418 | Ferrule joint A ferrule joint for a fishing rod blank made from joining plural flexible tapered resin shafts having hollow cores disclosed. The ferrule joint comprises a ferrule integral with one end of a first shaft. The ferrule has a tapered bore extending inwardly f... | 12/07/1982 |
| 4359114 | Raise drill bit inboard cutter assembly A raise bit (10) is constructed with a plurality of housings (30) secured to cutter carrier frame (14) and disposed about drive stem (12). Housings (30) include a rectangularly-shaped mounting box (48) for rotatably supporting an outboard roller cutter (2... | 11/16/1982 |
| 4350005 | Fruit picker An apparatus (10) for picking fruit from a tree when standing on the ground includes a generally cylindrically shaped, upwardly open receptacle (12) attached to the upper end of an elongate pole (14). A plurality of spaced apart fingers (34) project upwar... | 09/21/1982 |
| 4340549 | Dual input carburetor An improved carburetor (20) for delivering one combustible fuel and a liquid, or two combustible fuels from separate reservoirs (50), (500), to the central portion of a hollow spray bar (98) for discharge into carburetor venturi (30) includes substantiall... | 07/20/1982 |
| 4333243 | Latitude finder An apparatus for indicating the latitude position of the user is disclosed. The apparatus comprises a base member carrying a scale having degrees of latitude marked on the scale. The base member further carries a scale correcting for the declination of th... | 06/08/1982 |
| 4333152 | TV Movies that talk back A video entertainment system by which human viewers conduct simulated voice conversations with screen actors or cartoon characters in a prerecorded branching movie shown on a television screen. The actors and cartoons reply responsively with lip-sync soun... | 06/01/1982 |
| 4332482 | Fluid mixer A fluid mixer for insertion into a container having the fluid to be mixed is disclosed. The fluid mixer generally comprises an insertion member having an open top and bottom and a perimeter substantially similar and equal to that of the interior of the co... | 06/01/1982 |
| 4328494 | Digital data link for truck weighing applications An apparatus for communicating a vehicle parameter to a location remote and apart from where the vehicle parameter is measured is disclosed. The apparatus comprises a sensor responsive to the parameter being measured, with the sensor producing an output a... | 05/04/1982 |
| 4327821 | Automatic locking clutch with sliding clutch ring An improved clutch of the type having concentric and spaced apart driving and driven members with a clutch ring in engagement with one of the members and urgeable into a simultaneous engagement with the other member is provided. A fixed cam member is prov... | 05/04/1982 |
| 4324400 | Table tennis bat blade The blade for a table tennis bat includes a layer of lightweight, low modulus of elasticity material positioned centrally with respect to the thickness of the blade and overlaid by a constraining layer of high modulus of elasticity material. The blade als... | 04/13/1982 |
| 4320749 | Apparatus for facilitating X-ray examinations An apparatus (10) for determining by X-ray examination whether an anterior talo fibular ligament has been ruptured includes an angle-shaped support structure (12) having an upright member (14) attachable to the lower leg (L) of the patient. The support st... | 03/23/1982 |
| 4311288 | Strap winding mechanism A strap winding mechanism for the winding of truck load straps and the like comprising a stanchion having a clamp at the lower end thereof for generally vertical demountable attachment to any selected stake hole of a conventional flat bed truck. The upper... | 01/19/1982 |
| 4305131 | Dialog between TV movies and human viewers A video amusement system by which one or more viewers influence the course of a motion picture as if each viewer were a participant in a real-life drama or dialog. A speech-recognition unit recognizes a few spoken words such as "yes" and "run" spoken by a... | 12/08/1981 |
| 4304440 | Roller cutter A roller cutter especially adapted to fracture permafrost material includes a plurality of cutter teeth integrally formed with, and extending radially outwardly from the outer surface of a rotor. The rotor is antifrictionally supported on a stator to enab... | 12/08/1981 |
| 4301784 | Fireplace insert An apparatus for improving the thermal efficiency of an existing fireplace is disclosed. The apparatus generally comprises a convection chamber having an open front and top, a bottom, a rear wall, and a plurality of side walls. The convection chamber is i... | 11/24/1981 |
| 4295599 | File box An expanding file box includes a flat bottom panel and a pair of hollow side walls extending upwardly from each side of the bottom panel. The side walls have front and rear entrance openings leading into the interior thereof. The file box also includes fl... | 10/20/1981 |
| 4293855 | Communication device A communication device is disclosed. The device comprises keyboard means having a plurality of keys. The keys are operable to enable the user to create a message to be communicated, or to select one of a plurality of predetermined messages to be communica... | 10/06/1981 |
| 4293142 | Vibration damped ski The core of a ski includes a layer of viscoelastic material positioned at the neutral axis thereof at every point therealong. An upper constraining layer is positioned above the viscoelastic material, and a lower constraining layer is positioned below the... | 10/06/1981 |
| 4290719 | Cutting guide A cutting guide for cutting plastic laminate material is used in conjunction with a conventional router. The cutting guide includes an elongate, flat base plate having an opening in one end portion thereof for receiving the bit of the router which has bee... | 09/22/1981 |
| 4284000 | Material compacting apparatus An apparatus for tightly compacting material within a wheeled, open top container including a frame composed of a stationary base and a overhead section disposed above the container and coupled to the frame base section by a plurality of telescoping colum... | 08/18/1981 |
| 4283090 | Conveyor mounted excavator The front end portion of an endless belt type conveyor is detachably connected to the floor of a self-propelled tunneling shield, and the rear end of the conveyor is supported inclined upwardly by a trailing, mobile power unit which rides on spaced apart ... | 08/11/1981 |
| 4282985 | Seed plate A circular seed plate for use with a tilted, cylindrically shaped hopper includes a plurality of cells formed in, and spaced around, the circumference of the plate. Each seed cell includes an end surface which extends radially inwardly from the outer diam... | 08/11/1981 |
| 4281976 | Pellet and chopping machine An apparatus forming hay pellets from bales of hay is disclosed. The apparatus comprises a rotatable pellet die having a plurality of axially extending pellet forming holes. The cutter knife disc is secured to one face of the pellet die and carries a plur... | 08/04/1981 |
| 4279419 | Table top golfing figure with spring driving rotatable upper torso A golfing figure is shaped to resemble the stance of a human golfer when addressing a golf ball and is designed to duplicate an ideal golf swing. The golfing figure includes an upper body member which is joined with a lower body member to rotate about an ... | 07/21/1981 |
| 4276033 | Sailing system A sail mounting frame extends upwardly from the hull of a boat and is constructed of a lower section and an upper section which rotate relative to each other about a first axis of rotation which extends generally vertically upwardly with respect to the hu... | 06/30/1981 |
| 4270618 | Earth boring apparatus Large hole boring equipment is used for boring a large diameter blind pilot hole. Then such equipment is removed from the hole and a room is blasted at the closed or blind end of the hole. Then the large hole cutterhead is replaced by a reamer and the equ... | 06/02/1981 |
| 4269070 | Strain/deflection sensitive variable reluctance transducer assembly A variable reluctance transducer assembly for measuring the strain deflection in a structural member includes an elongate housing which is mounted to a first lug extending transversely outwardly from the structural member. The housing supports a pair of m... | 05/26/1981 |
| 4266646 | Wheel stud mounted locking clutch A locking clutch associated with a standard size wheel having a pilot hole opening therein, the clutch being of the type comprising a housing having the clutch mechanism therein including manual means for locking or unlocking the clutch means, the clutch ... | 05/12/1981 |
| 4265186 | Grain drill with oscillating planter bar An apparatus and a method for planting seed are disclosed. The apparatus comprises frame carried by a plurality of ground engaging wheels. Carried on the frame is a means for raising and lowering the frame with respect to the ground. A planter bar having ... | 05/05/1981 |
| 4261270 | Dibble wheel with plural feed An apparatus for planting seed is disclosed. The apparatus comprises a wheel hub having an annular cam. A ground engaging seed box is spaced apart and rotatable around the cam. A plurality of seed holders are carried by the seed box and are slidable aroun... | 04/14/1981 |
| 4261082 | Slide fastener for preventing jamming of foreign matter A slide fastener is provided with flanges projecting forwardly of the front or diverging end portion of a slider body to form a V-shape. The flanges define a pair of diagonal guide faces for guiding foreign matter inwardly toward the central bridge portio... | 04/14/1981 |
| 4258501 | Seed sprouting apparatus and method A plurality of perforated individual seed germinating and sprout growing bags are suspended from sets of portable racks which are placed on circular tray structures. The tray structures are supported in spaced vertical relationship by an upright mast loca... | 03/31/1981 |