ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,491, issued on July 21, was assigned to Block Inc. (Oakland, Calif.).

"Point-of-sale state control terminals" was invented by Koun Han (San Francisco), Nicholas Dower (San Francisco), Raymond Ryan (San Francisco), Bruce Bell (New York), Jared Travis Marr (Brookhaven, Ga.), Alexey Kalinichenko (San Francisco) and Tien Nguyen (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A merchant terminal or a customer terminal receives first input(s) associated with a first POS transaction with a first customer. Based on the first input(s), it is determined that the first POS transaction is in a first item-input portion and so the merchant terminal ...