ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,526, issued on Aug. 25.
"Arrangement for improving traction of a ground engaging element of a vehicle" was invented by Andrew Benjamin Lambert (Fleetwood, Pa.) and John D. Vouros (Victor, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A chisel nut for use in improving traction of a ground engaging drive element of a vehicle includes a body having a first end for engaging the ground engaging drive element and a second end disposed opposite the first end. A chisel face is defined on a side of the body spaced a distance from the first end and extending to an edge at the second end of the body. The chisel face sized and configured to extend outward...