ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,407, issued on Feb. 17, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).
"Digital signature" was invented by Stephen D. Panshin (Corvallis, Ore.), Paul S. Everest (Corvallis, Ore.) and Michael Harmon (Vancouver, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A logic circuitry package includes an interface to communicate with a controller and a logic circuit. The logic circuit includes a memory arrangement storing indicated data over which a manufacturing digital signature is computed, a certificate for the controller to verify the manufacturing digital signature, and manufacturing attribute data. The manufacturing attribute ...