Posts Tagged: "spray gun"

On September 21st, Saint Paul, MN-based technology and materials company 3M (NYSE:MMM) filed a lawsuit alleging patent and trademark infringement committed by Shanghai, China-based Thunder Finish. The lawsuit targets Thunder Finish’s marketing of paint preparation products developed by 3M which are meant to simplify the use and cleanup of liquid paint spray guns. The suit is filed in the Western District of Wisconsin.