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 |
| 7008291 | Toy vehicle, in particular tractor, with at least two steerable wheels In a toy vehicle, in particular tractor, comprising at least two steerable wheels, with a pivoting motion of a steering wheel being converted via a steering gear into a pivoting motion of a bolster, with wheels being mounted on steering knuckles that are pivotably m... | 03/07/2006 |
| 6425798 | Wheel toy A wheel toy for entertaining and providing physical exercise. The wheel toy includes a wheel. A rod, which is elongate and has a first end and a second end, is extendable into and securely attached to an axis of the wheel.... | 07/30/2002 |
| 5788557 | Child's action toy A child's action toy includes an elongate extension arm, adjustable in length, with a proximal end zone defining a handle and a wheel attachment brace at an opposite distal end zone, and a wheel assembly engaged by the brace and including a first outer wh... | 08/04/1998 |
| 5041043 | Adjustable height push toy The support member of a motorcycle simulation push toy which connects the wheel to the handlebars is fashioned from a pair of telescoping pieces so that the length of the support member can be adjusted. The support member can be fixed at several predeterm... | 08/20/1991 |
| 4802875 | Tethered flying disc with two-piece bearing means A tethered flying disc toy having a conventional inverted saucer body and an elongated flexible tether attached to the body by an annular ball bearing providing full freedom of rotation of the disc relative to the tether. In another form, the tether line ... | 02/07/1989 |