U.S. federal trademark · Serial No. 79138839 · Reg. No. 4630369
Thermostats
Heat exchangers, namely, heat exchangers being parts of machines
Heat exchangers for cooling flue gas, particularly in cogenerating installations, micro gas turbines and fuel cells, not being part of machines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.