ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,476, issued on Oct. 7, was assigned to Auburn University (Auburn, Ala.).
"High-friction road patch" was invented by Raymond L. Powell (Auburn, Ala.) and Jason Nelson (Auburn, Ala.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high-friction road patch may comprise an aggregate capable of providing sufficient friction between a road surface and vehicle wheel. In some embodiments, the patch may comprise a waterproof, asphalt overlay with a first layer of cured bitumen and calcined bauxite aggregate particles, a second layer of viscous bitumen and a reinforcement component, and a binder layer for bonding the overlay with the road surface. The resultin...