ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,591, issued on March 4, was assigned to Amazon Technologies Inc. (Seattle).

"Managed lifecycle roles for secure credential vending" was invented by Varun Jayant Oswal (Seattle), Liam Simon Hewitt (Seattle) and Rachit Jain (Bothell, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Managed lifecycle roles are disclosed. Managed lifecycle roles may be used for secure credential vending or otherwise. For instance, an entity (e.g., administrator or other entity) requests, via an interface of a role manager, creation of a role associated with a lifecycle definition (e.g., an expression of an enforceable expiration of the role or similar characteristic...