ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,789, issued on Sept. 15.

"Super-hard and super-strong explosion-proof glass film with metal frame" was invented by Tak Nam Liu (Shenzhen, China), Siu Hoi Liu (Shenzhen, China), Siu Hei Liu (Shenzhen, China) and Tak Ngai Liu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a super-hard and super-strong explosion-proof glass film with metal frame, including a frame body, a buffer washer and a tempered glass. The frame body is provided with an antibacterial layer, the buffer washer is fixedly connected inside the frame body, and the tempered glass is fixedly connected inside the buffer washer. The lower...