ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,929, issued on Jan. 27.
"Programmable sign device" was invented by Jeff Silva (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "A programmable sign device includes a personal electronic device that is in wireless communication with an extrinsic communication network. A plurality of sign units is each strategically positionable at or around a predetermined location to be visible to individuals that are approaching the predetermined location. Each of the plurality of sign units displays a customizable message to visually communicate a notification to the individuals pertaining to the predetermined location. A plurality of communication units i...