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 |
| 6257988 | Device and method for fitting finger holes in a bowling ball and the bowling ball resulting therefrom A system and method for producing a bowling ball, where the thumb hole and finger holes in the bowling ball are angled to accurately match the anatomical requirements of the bowler's hand. The system includes a measuring jig assembly for obtaining data on... | 07/10/2001 |