ALEXANDRIA, Va., July 15 -- United States Patent no. 12,660,935, issued on June 23.

"Bed mattress" was invented by London Barrett (Virginia Beach, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The improved bed mattress is configured for use in a chamber. The improved bed mattress is a configurable structure. By configurable is meant that the form factor of the improved bed mattress is adjustable. The improved bed mattress can be configured to fit into a corner of the chamber such that the improved bed mattress fits flush against surfaces of the walls that form the corner of the chamber. The improved bed mattress incorporates a mattress structure and a plurality of fastening devices. The mattress structu...