ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,367, issued on Oct. 21, was assigned to YouMail Inc. (Irvine, Calif.).

"Identifying, screening, and blocking of calls from problematic telecommunications carriers and number blocks" was invented by Alexander E. Quilici (Malibu, Calif.) and Michael J. Rudolph (San Juan Capistrano, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and systems for identifying communicators as wanted or unwanted based on communications from such communicators, the method comprising determining communications from phone numbers as being unwanted by analyzing communication content features of communications associated with unwanted communicators, identifying ...