ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,764, issued on Dec. 30, was assigned to DUNUN Co. Ltd. (Daegu, South Korea).
"Glasses with screwless hinge" was invented by Jong Sung Park (Daegu, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed are glasses with screwless hinges. The glasses include an upper frame supporting upper edges of lenses, lower frames supporting lower edges of the lenses and coupled to the upper frame, temples which are folded and unfolded with respect to the upper frame, and eyeglass hinges which are arranged between the upper frame and the temples and support end parts of the upper frame and end parts of the temples such that the temples are folded and...