Mealey's (February 22, 2021, 12:01 PM EST) -- WASHINGTON, D.C. — In a Feb. 19 opinion, the Federal Circuit U.S. Court of Appeals found no error in the Patent Trial and Appeal Board’s affirmance of an examiner’s finding that four claims of a patented process for fracturing the rod that connects the crankshaft to the piston in an internal combustion engine would have been obvious to a person of skill in the art....