ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,175, issued on April 14, was assigned to Boost SubscriberCo LLC (Englewood, Colo.).

"Method of tracking ESIMS" was invented by James Ramirez (Littleton, Colo.), Laurel Dumonteil (Centennial, Colo.) and Harold Stearns (Erie, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data structure for managing inventory information of a user device from an inventory of user devices is provided. In one example, the data structure includes: a device document containing a general product profile of a device from an inventory and a first device identity profile of the device; an embedded universal integrated circuit card (eUICC) document containing multiple...