ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,887, issued on June 3, was assigned to T-Mobile USA Inc. (Bellevue, Wash.).
"Service type symbols" was invented by John Humbert (Roeland Park, Kan.), Scott Francis Migaldi (Cary, Ill.) and Hsin Fu Henry Chiang (Bellevue, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A service type symbol may be presented on a display of a communication device to indicate a type of service supported or unsupported on the communication device over a network to which the communication device is presently connected. The communication device may determine a value of a parameter, may determine, based at least in part on the value of the parameter, a service type sym...