ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,884, issued on March 24, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Safety system and method" was invented by Craig M. Parkulo (Midland, N.C.), Wesley M. Barbee (Oxboro, N.C.), Matthew Shannon (Salisbury, N.C.) and Ronnie G. Durham (Monroe, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety system includes a plurality of alert devices associated with a unique identifier. Each alert device includes a user interface, a wireless transceiver, and a processor communicably coupled to the wireless transceiver. The processor of at least one alert device is configured to generate an alarm signal indicative of an alarm state, ...