ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,503, issued on June 3, was assigned to MoEngage Inc. (San Francisco).

"Method for transmitting notification to target device via hierarchy of communication channels" was invented by Umang Chamaria (Mangalam, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for transmitting a notification to a target user device via hierarchy of communication channel. The method includes receiving a request to send the notification to the target user device. Further, it is determined that the target user device is an opted-in device enabled to receive the notification. A FCM Token and an OEM token associated with the target user device is obtained. Furthe...