DOORBELL
Providing user authentication services using single sign-on technology, two factor sign-on technology, software technology, email based technology, social media based technology, and SMS based technology in e-commerce, financial and electronic transactions through a website, internet connections, electronic mail, SMS, mobile devices, social media, and web based electronic networks; providing temporary use of on-line nondownloadable authentication software for user authentication services in t...
Pending · November 3, 2023 · 98253656 ·