ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,748, issued on Nov. 18.
"Segmented lock pin" was invented by Jeffrey Scott Leaning (Arlington, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A segmented lock pin is presented. The segmented lock pin includes a first right cylinder, a second right cylinder, and a coupling member. The first right cylinder is movably joined to the second right cylinder by the coupling member. The first right cylinder is axially, laterally, and rotationally movable with respect to the second right cylinder. When implemented as a driver pin, the segmented lock pin provides no counterrotation feedback during a picking attempt of a lock in which the segmented driver p...