ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,942, issued on Nov. 18, was assigned to THE HILLMAN GROUP INC. (Forest Park, Ohio).
"Wood screw" was invented by Dale G. Malott (Gilbert, Ariz.) and Farhad Lajewardi (Toronto).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wood screw includes a head end, a shank and a tapered end, the head end including a tool engaging part, the head end located at a first end of the shank and the tapered end located at a second end of the shank. A thread is formed along the shank. The head end includes a neck running from the first end of the shank to a head cap, wherein the head cap includes an underside facing the tapered end, wherein the underside includes a pl...