Bell Sports Helmet - Manuel (Page 19)

Bell helmets are protected by one or more of the following patents and
may also be protected by other US and foreign patents and patent
pendings; 675,843; 5,659,900; 5,887,288; 6,401,261; 5,469,583;
5,729,877; 6,449,776; 6,009,561; 6,009,562; 5,351,341; 5,481,762;
5,477,563; 5,119,516; 5,099,523; 5,269,025.