ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,614, issued on April 22.
"Farm irrigation wheel" was invented by David M. Patrick (Ladera Ranch, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wheel having a circular ring is provided. The circular ring has a rotational axis and an outer surface. A plurality of lugs is mounted in side-by-side positions on said outer surface of the circular ring. Each lug of the plurality of lugs has: a center rib, a first leg and a second leg, each leg extending from the center rib laterally and opposite of each other, and a lug plate adapted to connect the first leg to the center rib. The outermost point of each center rib may form a circular pattern that ...