ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,420, issued on Nov. 25, was assigned to MICROSOFT TECHNOLOGY LICENSING LLC (Redmond, Wash.).

"Secure authentication artifact signing service for authentication system" was invented by Sarvani Kumar Bhamidipati (Snoqualmie, Wash.), Oren Jordan Melzer (Kirkland, Wash.), Victor William Habib Boctor (Bellevue, Wash.) and Randeep Singh (Delta, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for authenticating a principal comprises first and second authentication systems and an authentication artifact signing service. The first authentication system issues a request comprising an authentication artifact associated with the principal and a s...