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 |
| 4470712 | Hand held printer and printing guide Disclosed herein is A printing toy in combination with a printing guide. The printer comprises a disk like print dial with rubber indicia projecting therefrom along the outer periphery, a cover, an ink roller, and a foot guard extending from the bottom of... | 09/11/1984 |
| 4084679 | Tape printer A tape printer adapted so that a tape which employs a paper tape for printing is extended to a printing position, a type of a type wheel is opposed to a tape leading part at said printing position, said type and tape leading part are impressed to print th... | 04/18/1978 |