US Patent Issued to T-Mobile USA on Nov. 4 for "Device IMEI/IMEISV/TAC screening and steering while roaming in wireless networks" (Washington Inventor)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,334, issued on Nov. 4, was assigned to T-Mobile USA Inc. (Bellevue, Wash.).

"Device IMEI/IMEISV/TAC screening and steering while roaming in wireless networks" was invented by Nandita Sharma (Sammamish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lost or stolen mobile electronic device may attempt to attach to a foreign network where the phone is not blocklisted. During the foreign network/roaming attach process, a location update may be sent to the home network. The location update may include identifying information for the device. A mapping of the device and the foreign network's association may be stored within an operator database at t...