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 |
| 4709492 | Pushing apparatus, and methods of constructing and utilizing same A device for back scraping snow, earth, or other like substances which generally includes a truck having a concave snowplow blade mounted on its front. The blade has shoes provided on its backside, wedge shaped hinged connections mounted on the shoes, and... | 12/01/1987 |