ALEXANDRIA, Va., July 9 -- United States Patent no. 12,353,277, issued on July 8, was assigned to RIVERBED TECHNOLOGY LLC (Redwood City, Calif.).

"Determining commonalities in devices by using a chi-squared statistical test" was invented by Nicole Andree M. Shoblom (Bentonville, Ark.), Erez Shalom Armoza (Espinhal, Portugal), Robyn A. Zamora (Sorrento, Fla.), Karthikeyan Thennamanallur Ponnusamy (Westford, Mass.) and Christopher O'Malley (Waterloo, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A set of devices may be monitored and a subset of the set of devices which is experiencing a problem may be determined. A cardinality of the subset of the set of devices may be divided by a cardinality of the s...