(January 18, 2018, 11:33 AM EST) -- WASHINGTON, D.C. — An inventor’s efforts to patent a portable memory device identification system were unsuccessful Jan. 17, when the Federal Circuit U.S. Court of Appeals instead affirmed findings by the Patent Trial and Appeal Board that the invention would be obvious to a person of skill in the art (In re: Dominick Theresa, No. 17-1920, Fed. Cir.)....