Inventor
HOY CHRISTOPHER R
US3 patents
Patents
3 patentsUS7941873B2May 17, 2011
Protective helmet with cervical spine protection and additional brain protection
NAGELY SCOTT W51 citations95
US8181281B2May 22, 2012
Protective helmet with cervical spine protection and additional brain protection
NAGELY SCOTT W32 citations90
US8561217B2Oct 22, 2013
Protective helmet with cervical spine protection and additional brain protection
NAGELY SCOTT W9 citations81