Law360, New York (September 04, 2009) -- Floor tile manufacturer Armstrong World Industries Inc. has added false advertising claims to a lawsuit seeking a declaration that the company has not infringed the patents of bankrupt rival Congoleum Corp.
Lancaster, Pa.-based Armstrong filed an amended complaint Thursday in the U.S. District Court for the Eastern District of Pennsylvania accusing Congoleum of falsely suggesting its DuraCeramic brand of residential floor...


