ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,701, issued on Feb. 25, was assigned to LAT Enterprises Inc. (Raleigh, N.C.).

"Portable power case with lithium iron phosphate battery" was invented by Laura Thiel (Raleigh, N.C.), Giancarlo Urzi (Raleigh, N.C.) and Carlos Cid (Raleigh, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least one USB port and at least two access ports, at least two leads, or at least one access port and at least one lead. The portable power case is operable to supply power to an amp...