Today in 1993, US Patent 5242694 A was issued, an invention of Hans Reuther, assigned to the G. Heileman Brewing Company, Inc., for his “Process For Brewing Low Carbohydrate Near Beer.” Here’s the Abstract:
A low carbohydrate near beer is produced by a brewing process utilizing brewing materials including 100% brewer’s malt with not more than a prescribed amount of dextrin malt and not more than a prescribed amount of caramel malt. The mashing, boiling and fermentation stages are controlled so that carbohydrate and calorie levels are achieved in a near beer having excellent taste and brightness.