ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,487, issued on April 29, was assigned to HANGZHOU LINGBAN TECHNOLOGY Co. LTD. (Hangzhou, China).

"AR display apparatus frame capable of being mounted on safety helmet" was invented by Qingyang Shen (Hangzhou, China), Kai Xia (Hangzhou, China) and Wengang Wang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an AR display apparatus frame capable of being mounted on a safety helmet, including a first snap-fit, a second snap-fit, a hat-brim snap-fit, and a support frame, where the first snap-fit and the second snap-fit are symmetrically disposed on a side part of the support frame, the hat-brim snap-fit i...