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 |
| 6726265 | Golf disc retriever A disc retriever for disc golf is attached to a rope or cord which can be thrown varying distances to enable retrieval of a golf disc from variously sized water hazards or other difficult to access locations. The golf disc retriever is comprised of a rectangular fla... | 04/27/2004 |