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 |
| 4101877 | Mail delivery alarm system A system for activating a light and music box in the home when mail is deposited in a mail box located outside the home, and for deactivating the light and music box when the mail is removed. Switch means is provided inside the mail box and a circuit is a... | 07/18/1978 |