ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,214,543, issued on Feb. 4.
"Auxiliary device for applying protective film" was invented by Ziqiang Li (Shenzhen Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An auxiliary device for applying protective film, includes a film application box, one end of the film application box is provided with an accommodation cavity, two symmetrical sliding groove holes are provided on the film application box, each sliding groove hole is provided with a moving block, the front end of each moving block is fixedly installed with an installation box, the rear end of each moving block is fixedly installed with a stop block, the aforementioned accommodation...