About the NFL Helmet Challenge
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Product Description
NFL Helmet Challenge
NFL launches helmet safety program worth up to $3 million
NFL Helmet Challenge seeking redesign proposals
Xenith Granted $412,000 from NFL Helmet Challenge
Pittsburgh Steelers NFL Football Team / Throwback Helmet Challenge
NFL hopes to reduce head injuries with 'goofy' helmet experiment
Concussion: NFL launches $3m helmet challenge
NFL Kicks Off Helmet Challenge with Youngstown Symposium
Official Site of the National Football League
NFL Helmet Challenge – University of Rochester, Senior Design Day
Guardian Caps Guardian Sports
