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 |
| 4267402 | Polymer concrete body with vibration molded threads, method of making same, and electrical insulator provided with the same A superior insulator body having at least one thread is produced by vibration molding an acicular aggregate and a synthetic resin binder against an appropriate die.... | 05/12/1981 |