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 |
| 4995071 | Video conference installation A video conference installation has transmission and reception devices for handling audio and video signals from a plurality of subscriber points via a shared processor which assigns individual subscriber units to the subscriber points. A digital communic... | 02/19/1991 |
| 4937858 | Telephone handset with electro-acoustic converters electrically connected by a cord A handset for telephones and the like has electro-acoustical capsules for hearing and speaking, mounted between an upper housing shell and a lower housing shell of the handset. Each of the capsules is connected to the handset cord by a pair of leads recei... | 06/26/1990 |