ALEXANDRIA, Va., April 2 -- United States Patent no. 12,265,443, issued on April 1, was assigned to Amazon Technologies Inc. (Seattle).

"Block-storage service supporting multi-attach and health check failover mechanism" was invented by Fan Ping (Kenmore, Wash.), Andrew Boyer (Seattle), Oleksandr Chychykalo (Mercer Island, Wash.), James Pinkerton (Sammamish, Wash.), Danny Wei (Seattle), Norbert Paul Kusters (Seattle), Divya Ashok Kumar Jain (Issaquah, Wash.), Jianhua Fan (Issaquah, Wash.), Thomas Tarak Mathew Veppumthara (Seattle) and Sebastiano Peluso (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A block-based storage system hosts logical volumes that are implemented via multiple replicas of volume...