ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,531, issued on Jan. 20, was assigned to HANDO INDUSTRIAL Co. LTD. (Puxin Township, Taiwan).
"Handle structure of trolley" was invented by Hung-Ching Hsieh (Puxin Township, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A handle structure of a trolley contains: two grips symmetrically mounted on the trolley, and a respective one grip includes: a first fixing portion, a second fixing portion, and a body. The first fixing portion is configured to be connected with the trolley. The second fixing portion is configured to be connected with the trolley and located below the first fixing portion. The first fixing portion and the second fixing portion...