Brief: Clearsign gets purchase order for its "M" series process burner from a Colorado-based facility
March 12 (Reuters) - Clearsign Technologies Corp CLIR.O: CLEARSIGN TECHNOLOGIES CORPORATION ANNOUNCES PURCHASE ORDER FOR CLEARSIGN CORE™ "M" SERIES PROCESS BURNER FOR A GAS PROCESSING FACILITY IN COLORADO Source text: ID:nPn16gHk0a Further company coverage: CLIR.O ((Reuters.Briefs@thomsonreuters.com;))