ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,940, issued on May 26, was assigned to Boost SubscriberCo LLC (Englewood, Colo.).

"Secure attachment systems and methods" was invented by Borong Zheng (Littleton, Colo.) and Dawood Shahdad (Aurora, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A disclosed method may include receiving, by a server of a mobile operator across a first channel, a first International Mobile Subscriber Identity (IMSI) in an initial Non-Access Stratum (NAS) message from a User Equipment (UE) in which an Original Equipment Manufacturer (OEM) embedded the first IMSI such that a second IMSI that the mobile operator provisioned to a subscriber is protected by the first I...