ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,592, issued on June 17, was assigned to Tricam Industries LLC (Eden Prairie, Minn.).

"Deep ladder tray" was invented by Joseph P. Foley (St. Paul, Minn.), Benjamin P. Williams (Chaska, Minn.) and Benjamin M. Wernberg (Savage, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tray for a stepladder is disclosed. The tray provides an area for work space or for storage of tools or materials in addition to that provided by the stepladder by itself. The tray is configured to fit within the boundaries of the stepladder when the stepladder is in its stored orientation."

The patent was filed on Dec. 22, 2020, under Application No. 17/130,414.

*For fur...