Today in 2003, US Patent 0873396 B1 was issued, an invention of Vinod K. Chaudhary, Robert J. Mizerak, Sydney R. Rader, David S. Ryder, William G. Schulze, and Matthew L. Tripp, assigned to Miller Brewing Company, for their “Brewing Products And Their Methods For Production.” Here’s the Abstract:

A method is disclosed of preparing a colorless, clear beer by a method including ultrafiltration and the addition of dextrins, bittering agents and a foam enhancer. Methods of preparing improved nonalcoholic malt beverages and making natural beer foaming components also are disclosed.