ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,748, issued on Dec. 2, was assigned to CISCO TECHNOLOGY INC. (San Jose, Calif.).

"Device to device binding for push approval" was invented by Omar Naji Abduljaber (Ypsilanti, Mich.), Michael G. Brown (Portland, Ore.), Mujtaba Hussain (Canton, Mich.), Robert Jacob Linial Small (Ann Arbor, Mich.) and Bradley A. Kuykendall (Colorado Springs, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, a method, by an authentication server, includes receiving user information associated with a first authentication factor for verification from the first endpoint device. The method further includes in response to verifying the first authenticati...