ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,035, issued on May 13, was assigned to Apple Inc. (Cupertino, Calif.).

"Establishing a video conference during a phone call" was invented by Elizabeth C. Cranfill (San Francisco), Stephen O. Lemay (Palo Alto, Calif.), Joe S. Abuan (Cupertino, Calif.), Hsi-Jung Wu (San Jose, Calif.), Xiaosong Zhou (Campbell, Calif.) and Roberto Garcia Jr. (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments provide a method for initiating a video conference using a first mobile device. The method presents, during an audio call through a wireless communication network with a second device, a selectable user-interface (UI) item on the firs...