ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,228, issued on May 6, was assigned to QINGDAO HAIER REFRIGERATOR Co. LTD. (Shandong, China) and HAIER SMART HOME Co. LTD. (Shandong, China).
"Refrigerator" was invented by Peng Lyu (Qingdao, China), Jiaming Li (Qingdao, China), Zhanpeng Cui (Qingdao, China) and Hao Zhang (Qingdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator, comprising: a refrigerator body having an open front side to define a first compartment; a primary door mounted to the refrigerator body and used for opening/closing the first compartment, the primary door defining a second compartment having an open front side; and a secondary door mounted to the primary...