Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Protective helmet, especially bicycle helmet

Protective helmet, especially bicycle helmet

US Patent 7797763 · Granted Sep 21, 2010

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Sight piece, in particular for skiing goggles and method for the manufacture the2004
Visor for helmet, particularly a motorcycle helmet2002
Spectacles with movable gems1997
Magnetic recording medium having an infra-red light transparent balkcoat layer1995
Disk-shaped magnetic recording media, their production and information stores co1992
Production of magnetic recording media1992
Sunglasses1991
Method and arrangement for reducing wear in a magnetic storage means1991
Pair of glasses with inclinable temples1991
Magnetic recording media1990
Production of magnetic recording media1989
Surface treatment of disk-shaped nickel-plated aluminum substrates1989