ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,378, issued on June 3, was assigned to Google LLC (Mountain View, Calif.).
"Watermark-based message queue" was invented by Yi Cui (Palo Alto, Calif.), Subir Jhanb (Cupertino, Calif.) and Thomas R. Kennedy III (Alviso, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and apparatus, including computer programs encoded on computer storage media, for a watermark-based message queue. One of the methods includes receiving a first connection request for messages associated with a user device. A first connection session is established with the user device. A message queue of messages associated with the user device is identified, each ...