ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,797, issued on March 31, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Method to requalify die after storage" was invented by Michael Morash (Avondale, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of requalifying a die after storage under this disclosure could be said to include the steps of running production parts on a die, stopping production for a period of time, taking a pre-storage 3D scan of the die, storing the die for a period of time, taking a post storage 3D scan of the die, comparing the post storage 3D scan information to the pre-storage 3D scan information, and requalifying the die for use in pro...