ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,865, issued on March 11, was assigned to Wangs Alliance Corp. (Port Washington, N.Y.).

"Modular emergency battery" was invented by Dimauro Andrade Edwards (Jamaica, N.Y.) and Qianxiang Wang (Great Neck, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus and systems for emergency lighting. The apparatus may include a microprocessor. The microprocessor may power a plurality of fixtures. The plurality of fixtures may be supported in a fixture support. The microprocessor may be electrically connected with a remote emergency battery via a control line. In response to a loss of power at the microprocessor, an emergency lighting protoc...