22 September 1987 September 21, 2012 Author: Staff A patent is granted for the Kinetic Wedge. Famous Words of Inspiration..."Human success is a quotation from overhead." Charles H. Parkhurst — Click here for more from Charles H. Parkhurst Related posts: 29 July 1987 18 November 1987 8 December 1987 28 May 1987 29 July 1987 22 September 1980 26 September 1983 Categories: History Tags: 1987, 22 September