ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,880, issued on May 12, was assigned to Mango Technologies Inc. (San Diego).

"Generating a version vector for a data object in a distributed system to determine whether the data object is current" was invented by Jiang Wu (Union City, Calif.), Maxime Lasserre (Issaquah, Wash.) and Stephane Major (Poway, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A distributed system includes multiple servers that various client devices access. Each server maintains a copy of a data object for access to the data object regardless of which server is accessed. Each server may modify a local copy of the data object, with the modifications propagated to other se...