ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,252, issued on March 4, was assigned to KAWASAKI RAILCAR MANUFACTURING Co. LTD. (Kobe, Japan).
"Handrail" was invented by Mitsutoshi Kichise (Kobe, Japan) and Takahiro Kawashima (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A handrail includes a first partial handrail including an outer tube having at least one insertion hole on an outer peripheral surface of the outer tube, a second partial handrail including an inner tube having at least one opening hole on an outer peripheral surface of the inner tube, the inner tube being inserted into the outer tube, a cylindrical screw seat disposed inside the inner tube of the second partial han...