86190781
Feb 11, 2014
Sep 30, 2014
Products specially adapted for use with helmets and optical goods, for reducing or preventing the accumulation of vision-inhibiting moisture and condensation, namely, a mouth piece and tube for directing the flow of warm air from the user's nose or mouth and away from helmet visors, vision shields, face guards, eyewear, visual aids, aiming scopes, and binoculars
Electrical and Scientific Apparatus