U.S. federal trademark · Serial No. 85133491 · Reg. No. 4218419
Acoustically variable burner and fireplace systems comprised of one or more burner tubes, electroacoustic transducers in communication therewith operable to vary the gas flow in the burner tubes via application of sound waves, and a controller interface in communication with the electroacoustic transducers, and flame color variant cartridges operable to change the color of the flame produced in the system
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.