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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 |
| 7231846 | Magnetic fluid shifter damper mechanism A magnetic fluid shifter damper mechanism for a vehicle transmission may include a shift linkage having a first position and a second position, a magnetic fluid damper disposed between a substantially fixed point and a support point on the shift linkage, a fluid ins... | 06/19/2007 |
| 7036864 | Vehicle seat for a motor vehicle Spring elements incorporated into a seat are held on the front side in elastic elements for insulation of the seat against vibration of the motor vehicle. ... | 05/02/2006 |
| 4772237 | Paddle boat The present invention provides a paddle boat having a hull and a closed loop flexible member which is rotatably mounted to the hull while a pedal assembly longitudinally drives the flexible member around its loop. A plurality of substantially planar paddl... | 09/20/1988 |
| 4605376 | Marine jet propulsion unit The marine jet propulsion unit of this invention, in preferred form, has a pair of laterally adjacent blade carriers, each having a vertical outer surface movable in a horizontal orbit and to which blades are fixed that project edgewise outwardly. Each bl... | 08/12/1986 |
| 4323356 | Marine transmission control with vibration isolation system A marine propulsion device comprises a marine propulsion unit including an engine and a rotatably mounted propeller, together with a transmission operatively connected with the engine and the propeller for operation between a neutral position and a drive ... | 04/06/1982 |
| 4128073 | Water sports craft A water sports craft comprises two laterally-spaced elongated pontoons with fixed, vertically inclined tread-mill propulsion apparatus mounted therebetween one end of which extends into the water the propulsion apparatus characterized by two superposed cl... | 12/05/1978 |
| 3965846 | Endless belt propulsion device for a high speed boat A special high-speed boat fixed with a propeller unit under a hull, is provided. The propeller unit includes a plurality of wheels which are arranged in a space provided in the propeller unit. An endless belt having a certain number of fixed thereto blade... | 06/29/1976 |
| 3965843 | Transporting apparatus A device for receiving motive power from a source supported thereon and transmitting the power to the underlying surface thereby imparting motion across such surface to the device and power source supported thereon. The device is particularly adapted for ... | 06/29/1976 |
