ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,897, issued on May 27, was assigned to TROJAN BATTERY COMPANY LLC (Santa Fe Springs, Calif.).

"Systems and methods for rapid testing of a working electrode" was invented by Michael Verde (Santa Fe Springs, Calif.) and Shawn Peng (Santa Fe Springs, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a body, a rod extending beyond a length of the body, a first cap at a first end of the body, and a second cap at a second end of the body. The first cap and the second cap are removably connected to the body. The system also includes a cup including an active material. The cup is located in the second cap. The system further includes a...