ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,511, issued on Jan. 20, was assigned to QINGDAO HAIER REFRIGERATORCo. LTD. (Qingdao, China) and HAIER SMART HOME Co. LTD. (Qingdao, China).

"Adjustable rack device and refrigerator having the same" was invented by Xueli Cheng (Qingdao, China), Zhenxing Zhang (Qingdao, China) and Xiaobing Zhu (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses an adjustable rack device and a refrigerator having the same; the adjustable rack device includes a rack assembly and a slide rail assembly, the rack assembly includes a rack body and a bracket, the slide rail assembly includes a rail groove, an elastic assembly, a sli...