ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,995, issued on Oct. 21.

"Smoke detection attachment device" was invented by Larry C. Maddox Sr. (Birmingham, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present device pertains to a smoke detection attachment device that can be removably attached to a mobile telephone. It comprises a first and second portion connected by a bridge, creating a gap that snugly fits over the phone. Equipped with dual sensors, the device detects environmental dangers, issuing alerts through auditory and transmitted signals. It attaches using two spring clips at each end of the bridge, ensuring easy attachment and removal. The device features a power managemen...