ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,894, issued on Feb. 10, was assigned to INTROPACK Co. LTD. (Pyeongtaek-si, South Korea) and NUC ELECTRONICS Co. LTD. (Buk-Gu, South Korea).
"Vacuum blender" was invented by Kyul-Joo Lee (Dangjin-Si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum blender is disclosed. The blender includes a blender body including a container support case, an outer container seated in the container support case, a grinding blade, and a blade driving unit for rotating the grinding blade; an inner container unit including an inner container disposed in the outer container and in which the grinding blade is located, and an inner container driving uni...