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 |
| 6948868 | Keyboard structure A word transcription keyboard utilizing at least one keypad which is available for access by a finger of the user. A second keypad accessible to the finger of the user is extended and terminated in a press pad for allowing contact of the palm region of the hand simu... | 09/27/2005 |
| 4765764 | Keyboard A keyboard for use with a stenographic transcription and translating assembly possessing word processing capabilities having horizontal and vertical groupings of keys indicating the generation of signals characterizing consonant and vowel letters or non-p... | 08/23/1988 |
| 4720625 | Function strip attachment Attachment apparatus for attaching a first object to a second object. The first object has a groove with parallel sides; the second object has attached thereto a spline with a flexible blade. When the spline is inserted in the groove, the blade exerts a f... | 01/19/1988 |
| 4307970 | Key extension for shorthand typewriting machine A shorthand typewriting machine includes a standard keyboard having two rows of upper keys respectively corresponding to consonant characters and an asterisk character all positioned for operation by the fingers, and a lower row of keys respectively corre... | 12/29/1981 |
| 4272203 | Apparatus for adapting an office machine to one-handed operation Apparatus for modifying a key-operated office machine such as a typewriter to adapt the machine to one-handed operation. A depressible bar member is shaped and dimensioned to be operatively positioned below and across the keyboard and a pair of mounting a... | 06/09/1981 |
| 4123182 | Cam drive for matrix print heads and the like In a print head assembly for calculators and the like, the print head is reversibly driven in a print and return direction transversely of the direction of advancement of the recording medium by a drum segment having a cam drive in the form of an endless ... | 10/31/1978 |