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In 1871, the "frisbie baking company" opened and made pies. Teens would use the pie tins to toss to one another.
In 1948, Walter Morrison made a plastic version of the pie tins. They were known as "Pluto Platters."
In 1957, the company "Wham-O" patents the discs as Frisbees.
Today, the discs basically have the same material and shape, but different companies make minor rim curves.
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