ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,795, issued on Aug. 5, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Safety circuit, device and method" was invented by Matthew Shannon (Salisbury, N.C.), Wesley M. Barbee (Oxboro, N.C.), Craig M. Parkulo (Midland, N.C.), Ronnie G. Durham (Monroe, N.C.), Michael R. Oliva (Fair Oaks Ranch, Texas), Paul M. Rathke (Swannanoa, N.C.) and Brian Minier (Raleigh, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety circuit for a Personal Alert Safety System (PASS) device includes a safety logic circuit and an alarm circuit. The safety logic circuit is communicably coupled to the PASS device. The safety logic circuit includes a time...