The best inventions by sports fans, from new sports to a unique helment
This story appears in the July 25 issue of ESPN The Magazine.
Since 1790, the U.S. Patent and Trademark Office has approved nearly eight million inventions. We mined its online database of applications to find fans who don't just fantasize about sports of the future. They create them.
To see the rest of the best patents submitted by sports fans, become an ESPN Insider today!
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ESPN The Magazine: July 25, 2011