ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,733,121, issued on Sept. 8, was assigned to ACCTON TECHNOLOGY Corp. (Hsinchu City, Taiwan).

"Circuit board mounting and demounting device and data processing device" was invented by Hung-Yang Wen (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit board mounting and demounting device, which is used with a guide and fulcrum device, includes at least one actuation mechanism. The at least one actuation mechanism includes a substrate and a linkage assembly. The substrate is connected to a second circuit board and has at least one second guiding portion. The at least one second guiding portion is guided by the guide and fulcrum dev...