ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,721, issued on Jan. 20, was assigned to Whisker Labs Inc. (Germantown, Md.).

"Methods and systems for detection and notification of power outages and power quality" was invented by Christopher Dale Sloop (Mount Airy, Md.), Robert S. Marshall (Ijamsville, Md.), Donnie Bixler (Woodsboro, Md.) and Chonglin Liu (Rockville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are methods and systems for estimating an originating location of a power quality event in an electrical grid. Each of a plurality of sensor devices connected to the electrical grid detects an input signal generated by electrical activity on the electrical grid, gener...