NFL awards grants to four projects in helmet safety development program - ESPN
NFL awards Canadian start-up Kollide $550,000 to work on design for safer football helmet - 3DownNation
NFL awards 4 projects in helmet safety development program – The Denver Post
The Secret to Finding a Franchise Quarterback: Part 1
NFL awards $1.37M to helmet design contestants - DEVELOP3D
Detroit's Xenith among four awardees for NFL's helmet safety development program
University of Virginia Center for Applied Biomechanics
Impressio among 3 companies to split $1.55 million in NFL Helmet Challenge – The Denver Post
Madison County to receive funding for shared use paths
University of Michigan engineers developing a shock-absorbing football helmet