ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,219, issued on Jan. 20, was assigned to GUANGDONG MEIJIE FAUCET COMPANY Ltd. (Dongguan, China).
"Pop-up drain linkage device" was invented by Zaijiang Su (Dongguan, China) and Jiabin Yang (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drain plug linkage device comprising; a pull rod assembly including a pull rod and pull rod connector, a link rod having adjustment teeth and square spaces between them along its height, and a lever member having adjustment holes along its length. The link rod and lever member are connected through an adjustment mechanism which contains a push button lever adjustment mechanism by which a specific adj...