ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,419,193, issued on Sept. 16.

"Methods for fabrication, manufacture and production of an autonomous electrical power source" was invented by Clark D. Boyd (Victoria, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A unique, environmentally-friendly micron scale autonomous electrical power source is provided in a configuration that generates renewable energy for use in electronic systems, electronic devices and electronic system components. The configuration includes a first conductor with a facing surface conditioned to have a low work function, a second conductor with a facing surface having a comparatively higher work function, and a dielectric lay...