U.S. federal trademark · Serial No. 85184375
Grooved copper tubes that make possible smaller, more energy-efficient heat exchanger coils that weigh less, take up less space, use less refrigerant and operate at higher pressures. The corrosion-resistant, durable and dependable copper tubes provide long life, reliable performance and recyclability
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.