ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,959, issued on Dec. 2, was assigned to CHARTER COMMUNICATIONS OPERATING LLC (St. Louis).

"Enhanced content protection for media segments" was invented by Moin Pansare (Aurora, Colo.), Sachin Reddy Kota (Indian Land, S.C.), Vipul Patel (Parker, Colo.) and Kei Foo (Englewood, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Obtain, at a first network location, a first file specifying a first plurality of file segments, having a first plurality of original file segment names, to be obtained from a second network location. At the first network location, map each of the first plurality of original file segment names to a first plurality of modified fi...