ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,533, issued on April 14, was assigned to QINGDAO HAIER REFRIGERATOR Co. LTD. (Qingdao, China) and HAIER SMART HOME Co. LTD. (Qingdao, China).
"Refrigerating and freezing device" was invented by Zhanpeng Cui (Qingdao, China), Jianquan Chen (Qingdao, China), Tong Chen (Qingdao, China) and Lisheng Ji (Qingdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerating and freezing device including a cabinet, and an aging device for aging a to-be-aged material therein is provided in the cabinet. The aging device includes an outer housing and an inner housing provided in the outer housing, and an aging chamber for accommodating the to-be-aged ...