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 |
| 7125079 | Portable seating device The present invention relates to a portable seating device (e.g., portable stadium seat) that includes a seat and a backrest movably interconnected with the seat, and that is generally positionable in both stowed and deployed positions. The backrest also may be sele... | 10/24/2006 |