ELECTROOPTIC PRODUCTS AND ACCESSORIES RELATED TO SUCH PRODUCTS, NAMELY, ELECTROCHROMIC EYEWEAR WHICH CONSISTS OF OPHTHALMIC LENSES THAT DARKEN IN RESPONSE TO AN APPLIED ELECTRIC FIELD OF A GIVEN POLARITY AND LIGHTEN IN RESPONSE TO AN APPLIED ELECTRIC FIELD OF OPPOSITE POLARITY, FOR GENERAL CONSUMER USE
Electrical and Scientific Apparatus