ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,907, issued on June 17, was assigned to Snap Inc. (Santa Monica, Calif.).

"Technique for constructing and maintaining an application-to-friend index" was invented by Virgil L. Archer III (Los Angeles), John Trent DiBacco (Lake Forest, Calif.), Matthew Alan Jones (Ladera Ranch, Calif.) and Bernardo Perez (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is an application-to-friend data service for constructing and maintaining an application-to-friend index. The data service has a first service component that is triggered when an end-user opens an application. The first service component performs operations to update the dat...