ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,072, issued on April 15, was assigned to Chris Ingraffia (Chicago).
"Tire spiker" was invented by Chris Ingraffia (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "The tire spiker is a L-shaped device deployable to a U-shaped deployed configuration having a first and second spike portion adapted to surround a tire on the front and back with a plurality of spikes held in a generally vertical disposition adjacent the tire tread. The tire spiker comprises a pair of L-shaped arms pivotally connected at one end to open to a U-shaped deployed configuration. Each of the L-shaped arms comprises a spacer and a spike portion. The spacers are hinged toget...