ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,788, issued on March 31.

"Grocery containment system for last mile of order fulfillment" was invented by Byron C. Owens (Asheboro, N.C.) and Henry Chad Brown (Asheboro, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cart assembly includes a cart and a container assembly that is removably supported on the cart. The container assembly may simply rest on a platform of the cart, or may be removable secured to the cart. The container assembly includes a crate and a liner that is removably received within and supported by walls defining an interior cargo space of the crate. The liner itself includes walls containing a phase change material. The wa...