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 |
| 4429873 | Tennis racket There is described a tennis racket the frame and shaft of which are formed by synthetic resin-impregnated fibres, such as glass and/or carbon fibres, aromatic polyamide or boron fibres, and the core both of the frame and the shaft is preferably filled wit... | 02/07/1984 |