Michael Jackson 美國專利 5255452 - 專利

原來鞋子有去申請專利

不知道放這里對不對

Method and means for creating anti-gravity illusion
Michael J. Jackson et. al

Abstract
A system for allowing a shoe wearer to lean forwardly beyond his center of
gravity by virtue of wearing a specially designed pair of shoes which will
engage with a hitch member movably projectable through a stage surface. The
shoes have a specially designed heel slot which can be detachably engaged
with the hitch member by simply sliding the shoe wearer's foot forward,
thereby engaging with the hitch member.

Patent number: 5255452
Filing date: Jun 29, 1992
Issue date: Oct 26, 1993
Inventors: Michael J. Jackson, Michael L. Bush, Dennis Tompkins

http://tinyurl.com/mcjhbl

RIP

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