ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,772, issued on Feb. 24, was assigned to Shachihata Inc. (Nagoya, Japan).
"Marking device" was invented by Akinori Yasue (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A marking device that targets a fastened member and a fastening member (5,6), the marking device comprising; a housing that covers the fastening member (5, 6); and a marking member that is coupled to the housing via a support shaft (30) and is swingable toward the fastening member (5, 6),characterized in that when a vector having, as a start point, a marked corner part (MC1) and having the swing center (31) as an end point at is a first vector (V1a), and a vector having ...