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 |
| 7334707 | Hydration pack and bite valve thereof A hydration pack has a reservoir for holding fluid, a fluid conduit extending from the reservoir for passage of the fluid from the reservoir, and a bite valve connected to a distal end of the fluid conduit. The bite valve includes a deformable sleeve having an open ... | 02/26/2008 |