Stemco files patent infringement claim against Ridge Corp.
Stemco, an EnPro Industries company, announced updates regarding the motion for preliminary injunction that it filed against Ridge Corp. on behalf of Stemco subsidiary, ATDynamics. As previously announced, Stemco-ATDynamics filed a lawsuit against Ridge Corp. in the United States District Court for the Central District of California, Case No. 2:15-cv-01877-BRO-MAN. Through its Motion for Preliminary Injunction,