ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,019, issued on Feb. 17, was assigned to ATEC INTERNATIONAL TEAM Co. LTD. (Taoyuan, Taiwan).
"Chair seat" was invented by Te-Chun Chen (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A chair seat combined with two armrests, each comprising crossbar with first toothed structure, is provided. Chair seat includes base and clamping devices. Base comprises armrest slot and mounting holes, where armrest slot accommodates crossbar and mounting holes are connected to armrest slot. Additionally, each of two clamping devices, installed in the two mounting holes, includes mounting base, clamping element, operating component, and transmission ele...