Physics of Frisbees
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  Origin of Frisbee
 
 

The first patent for the frisbee was held by Edward Headrick in 1967. The frisbee's basic design hasn't changed much in 50 years; A circular piece of plastic with a rim around the edge.
 
 
Original patent of frisbee by Edward Headwick http://www.parkcirclediscgolf.com/frisbee-patent.htm