U.S. federal trademark · Serial No. 78560402 · Reg. No. 3057582
polymer electrolyte membranes; membrane electrode assemblies; electrochemical fuel cells; polymer electrolyte membranes for membrane electrode assemblies; membrane electrode assemblies for electrochemical fuel cells; polymer electrolyte membranes for membrane electrode assemblies for electrochemical fuel cells; gas diffusers for electrochemical fuel cells
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.