ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,108, issued on May 27, was assigned to B.M.B. Investments Pty Ltd (Australia).
"Multipurpose screw" was invented by Matthew Augimeri (Sydney).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multipurpose screw is provided. The screw comprises: a head having a tool engaging formation, a self-drilling drill tip, and a shank extending between the head and the drill tip. The shank includes a threaded portion and an unthreaded portion. The threaded portion includes a major thread extending from the drill tip. The ratio between the major diameter of the major thread and the pitch of the major thread is from 1.2 to 2.4."
The patent was filed on Feb. 11, 20...