Mealey's (August 24, 2015, 10:06 AM EDT) -- WASHINGTON, D.C. — The methods in a patent for screen equipment operators for impairment have at least four inventive concepts that prove they are patent-eligible and the prior art proves there was no preemption of any abstract idea, a patent owner argues in a July 29 reply brief filed in the Federal Circuit U.S. Court of Appeals (Vehicle Intelligence and Safety LLC v. Mercedes-Benz USA LLC and Daimler AG, No. 15-1411, Fed. Cir.)....