ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,559, issued on March 17, was assigned to SHANGHAI ORIGINCELL BIOLOGICAL CRYO EQUIPMENT Co. LTD. (Shanghai).

"Cryogenic storage and retrieval apparatus and cryogenic storage and retrieval method" was invented by Jianguo Qu (Shanghai), Lingling Liu (Shanghai) and Jianxin Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a biological sample storage and retrieval apparatus, comprising a storage device, with the interior thereof being a cryogenic environment for storing a biological sample, and the biological sample comprising cryogenic vials and a cryogenic shelf for holding the cryogenic vials; an operation device detachably c...