ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,820, issued on Aug. 5, was assigned to NINGBO JIESHU WINDOW COVERINGS MANUFACTURING Co. LTD. (China).
"Two-screw adjustable position limiting device" was invented by Jiebing Lu (Yuyao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The two-screw adjustable position limiting device of the present invention includes a connecting rod base, a screw rod base, and a fixing plate. A head portion of the connecting rod base is a mounting plate, and an accommodating body (a) passes through the middle of the mounting plate and is connected thereto. A bottom portion of the accommodating body is provided with a screw body. A bottom portion of the connecting...