ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,065, issued on Feb. 24, was assigned to RUBBERFORM RECYCLED PRODUCTS LLC.
"Trackout mat" was invented by William J. Robbins (Lockport, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a plurality of blocks arranged in columns and rows. The blocks include a body having a first end and a second end opposite to the first end, a projection extending away from an upper surface of the body such that a first thickness between an end of the projection and a lower surface of the body is greater than a second thickness between the upper surface of the body and the lower surface of the body at the first end of the body and at the secon...