ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,017, issued on March 18, was assigned to QIDONG VISION MOUNTS MANUFACTURING Co. LTD. (Jiangsu, China).

"Lifting mechanism and lifting table" was invented by Hairong Lu (Jiangsu, China), Chaojie Huang (Jiangsu, China) and Haobo Cai (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lifting mechanism includes: a cross-arm assembly including a first combined arm and a second combined arm arranged in parallel, the first and second combined arms each comprising a first support member and a second support member, the length of the first support member being greater than the length of the second support member; a support connection assembly ...