ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,677, issued on May 13, was assigned to BEIJING XINTRON OFFICE EQUIPMENT Co. LTD. (Beijing).

"Linkage device and mounting and conveying device for toner supply container" was invented by Xuewen Ma (Beijing) and Haifeng Geng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A linkage device for a toner supply container includes: a transverse linkage, which comprises a rod body and a jaw portion, wherein the jaw portion is connected to a front end of the rod body; and a longitudinal linkage, wherein a first end of the longitudinal linkage is rotatably coupled to the rod body of the transverse linkage. A mounting and conveying device for the toner...