ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,671, issued on July 15, was assigned to Zhongshan Xiaoshu Electrical Technology Co. Ltd. (Zhongshan, China).
"Vacuum sealer" was invented by Huasong Ren (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum sealer, comprising an upper casing with a first vacuum contact surface, and a lower casing with a second vacuum contact surface, one side of the upper casing and one side of the lower casing are hinged together, wherein a projecting handle is provided at another side of the upper casing, a mount pad and a rotation shaft in contact with the handle are provided on the upper casing, the rotation shaft is installed rotatably on th...