ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,819, issued on March 24, was assigned to InterDigital Patent Holdings Inc. (Wilmington, Del.).

"Methods, apparatus, and systems using closed access group (CAG) support in minimization of service interruptions (MINT)" was invented by Samir Ferdi (Kirkland, Canada), Behrouz Aghili (Commack, N.Y.), Guanzhou Wang (Brossard, Canada) and Saad Ahmad (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, and systems are disclosed. A method, implemented by a Wireless Transmit/Receive Unit (WTRU) may use a first Public Land Mobile Network (PLMN) not affected by a disaster condition and a second PLMN affected by a disaster condition. The...