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 |
| 5044397 | Tank pressure control apparatus An apparatus is provided for controlling flow of liquid through an aperture. The apparatus includes a housing and a float valve disposed in and unattached to the housing. The float valve is formed to include a float chamber and is movable in the housing b... | 09/03/1991 |