ALEXANDRIA, Va., May 26 -- United States Patent no. 12,635,615, issued on May 26, was assigned to Pipp Mobile Storage Systems Inc. (Walker, Mich.).

"Shelving system for plant cultivation" was invented by Thomas A. French (Grand Haven, Mich.), Delos A. Rockwell (Lowell, Mich.) and David E. Kowalski (Grandville, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Plant support equipment includes trays each have a plant-supporting surface and a series of grooves or channels extending below the pot-supporting surface. The plant support trays have water runoff troughs that receive runoff water from the grooves or channels. The plant support trays may be configured to provide gravity-based drainage while supporte...