ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,646, issued on June 10, was assigned to Zoom Communications Inc. (San Jose, Calif.).

"Integrated push-to-talk communication" was invented by Robert Allen Ryskamp (Mountainview, Calif.) and Adam Justin Spooner (Greensboro, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example methods and systems provide push-to-talk (PTT) functionality integrated with other functions. The PTT functionality can include a graphical interface provided by a client application. The graphical interface can display PTT groups and/or icons for individual users. Users can generate PTT group definitions in response to input to the client application. A group control inpu...