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 |
| 7421796 | Positioning template A positioning template for use in aiding in the hanging of objects on various supporting surfaces includes an electrostatically active template backing having a front surface and a rear surface, a plurality of perimeter markers shaped and dimensioned for releasable ... | 09/09/2008 |