ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,676, issued on May 20.
"Vacuum packaging device" was invented by Byung Mu Park (Ansan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum packaging device includes a hexahedral housing having a space inside; a grip unit in which a pair of grip bars selectively come into surface contact with each other above a front side of the housing; a suction nozzle unit which moves forward and backward along a guide inside an inner space of the housing; a pair of heat-pressing members which are respectively provided in the pair of grip bars; and lifting and lowering means for lifting and lowering an upper grip bar of the pair of grip bars and...