ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,327, issued on Nov. 25.

"Mobile telephone case with fence tester" was invented by Alexandrine Blais (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Mobile Telephone Case with Fence Tester is a protective case for a smart phone with an integrated electric fence tester. At the rear of the case, below the typical cameral location, is a recessed electrode that runs the entire width of the case. This electrode is connected to internal circuitry which measures the high voltage output of an electric fence, used to contain livestock, when the electrode is held against the fence wire. The electronics are powered by its own internal battery,...