ALEXANDRIA, Va., April 21 -- United States Patent no. 12,604,787, issued on April 21.
"Grouser-cage attachment for equipment" was invented by Marlon Lane Curtis (Clinton, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grouser-cage attachment for equipment is an apparatus that imprints troughs into the soil. The apparatus includes a main frame, a roller, and a grouser cage. The main frame connects the roller with a piece of equipment or large machinery such as a skid steer. The roller presses the grouser cage into the soil. The grouser cage further includes a cylindrical frame, a plurality of holes, and a plurality of cleats. The cylindrical frame supports and positions the plurality of cleats around th...