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From Wikipedia (http://en.wikipedia.org/wiki/United_States_Patent_and_Trademark_Office) U.S. Patent 6,368,227, "Method of swinging on a swing", issued April 9, 2002 was granted to a seven-year-old boy, whose father, a patent attorney, wanted to demonstrate how the patent system worked to his son (aged 5 at the time of the application). The PTO initially ...


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To answer your first question, whether this is a joke or not, see the last paragraph, which states: Lastly, it should be noted that because pulling alternately on one chain and then the other resembles in some measure the movements one would use to swing from vines in a dense jungle forest, the swinging method of the present invention may be ...


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