ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,740, issued on Feb. 11, was assigned to MAKITA Corp. (Anjo, Japan).
"Fastening tool" was invented by Michisada Yabuguchi (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A representative fastening tool which fastens a work piece by utilizing a fastener that includes a pin in which a shaft portion and a head portion are integrally formed and a hollow shaped collar which is engageable to the pin, wherein the work piece is disposed between the head portion and the collar. The fastening tool includes a pin holding portion which can hold an end part region of the shaft portion, wherein the fastener is fastened in a state that the collar and th...