ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,471, issued on Sept. 22, was assigned to COOLER MASTER Co. LTD. (Taipei City, Taiwan).
"Captive screw" was invented by Hsiang-Chieh Tseng (Taipei City, Taiwan) and Zhida Chen (Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A captive screw includes a sleeve and a screwing member. The sleeve includes a body portion and a positioning protrusion. The positioning protrusion protrudes from the body portion, and forms a channel. The screwing member includes a head portion, a neck portion and a threaded portion. The neck portion connects the head portion and the threaded portion. The neck portion passes through the channel. The head por...