ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,157, issued on June 3, was assigned to Knox Associates Inc. (Phoenix).

"Electronic lock state detection systems and methods" was invented by Bryan E. Pavlovic (Cave Creek, Ariz.), Tamara Hatzinger (Phoenix), Dominik Scheffler (Phoenix), Howard Needham (Scottsdale, Ariz.), Jason Pedersen (Glendale, Ariz.), John Kowalski (Phoenix), Timothy Sherack (Litchfield Park, Ariz.) and William James (Crestview, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic key may include a partial capacitor comprising a capacitive metal plate in communication with a processor. The capacitive metal plate of the partial capacitor is configured to form a capaci...