ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,996, issued on March 3, was assigned to WTL Technology Shenzhen Co. LTD. (Shenzhen, China).
"Integrated film application device" was invented by Tak Nam Liu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated film application device comprises a bottom shell, wherein back side of the bottom shell is hinged with a surface shell, both sides of top end of the surface shell have displacement ports, inner walls of the two displacement ports are connected with sliding rods in a sliding manner, top ends of the two sliding rods are fixedly connected with push handles, bottoms of the two sliding rods are rotatably connected with roll...