ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,373, issued on June 10, was assigned to Apple Inc. (Cupertino, Calif.).
"Push notifications for multiple user devices" was invented by Christopher M. Bell (San Jose, Calif.) and Christoph Paasch (Cupertino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A server network accepts asynchronous notification messages from multiple application servers and efficiently routes notification messages in the form of notification taps to a user device, which can operate in a low power mode. The user device may or may not be a cellular device. The server network maintains states for the user devices in terms of identifiers useful for routing. A network ser...