Kadant Inc. (NYSE:KAI) announced that the United States District Court for the District of Massachusetts granted motions to dismiss all claims against it and the other defendants in a purported class action lawsuit relating to decking and railing products manufactured by Kadant Composites LLC between April 2002 and October 2003. The complaint, originally filed in December 2007, alleged that these products were defective, and claimed, among other things,...