ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,241, issued on Nov. 4, was assigned to Block Inc. (Oakland, Calif.).

"Synchronization of local devices in point-of-sale environment" was invented by Marc Hernandez (San Francisco) and Brian Grassadonia (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, a point-of-sale (POS) device may detect an offline mode that prevents the POS device or one or more other devices (which couple with the POS device via a short-range network) from communicating with a remote server via a long-range network. Responsive to detecting the offline mode, the POS device may authenticate the other devices to communicate over the short-range network...