ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,707,185, issued on Aug. 11, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Systems and methods for functional adjustments of personal protective equipment" was invented by Jan D. Forster (Aachen, Germany), Frank T. Herfort (Korschenbroich, Germany), Vijay K. Gidla (Varnamo, Sweden) and Abel Gladstone Mangam (Varnamo, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A personal protective equipment device is presented. The PPE device includes a microphone configured to capture an ambient sound stream. The PPE device also includes a sound analyzer that receives the ambient sound stream and characterizes a sound fingerprint around the...