Force sensors for attachment to helmets, namely, protective helmets for sports, bicycle helmets, motorcycle helmets, recreational sports helmets; Force sensors for attachment to sports face masks; Force sensors for attachment to goggles for sports; Force sensors for attachment to mouthguards for athletic use; Force sensors for attachment to construction hard hats

Helmets, namely, protective helmets for sports, bicycle helmets, motorcycle helmets, recreational sports helmets; Sports face masks; Goggles for sports; Eyeglasses