Josef Schraedler, Director of the Weihenstephan Brewery, right, and Jim Koch, Director of the Boston Beer CO, left, pose for the photographer in the brewhouse of the Weihenstephan brewery in Freising, southern Germany, on Wednesday, Oct. 21, 2009. Boston Beer Co. , maker of Samuel Adams, is teaming up with a venerable German brewery to jointly brew a new craft beer to be marketed in Germany and the U.S. next spring. Boston Beer CEO Jim Koch and Josef Schraedler, managing director of Weihenstephan, told The Associated Press Wednesday that their two companies have been working together for two years on the beer, which they will make and market jointly. It has yet to be named, but will be marketed in bottles with corks instead of the usual metal caps. It will pack a punch, with 10 percent alcohol.