| TETCO Thermal Energy Transfer Corporation
73306568 20 Apr 1981 | on 01 Feb 2003 | Geothermal Heat Extractors, Heat Pumps, Air Conditioners and Forced Ai... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) Geothermal Heat Extractors, Heat Pumps, Air Conditioners and Forced Air Resistance Furnaces | | | TETCO Thermal Energy Transfer Corporation
73306708 20 Apr 1981 | on 09 Dec 1988 | Geothermal Heat Extractors, Heat Pumps, Air Conditioners and Forced Ai... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) The design in the upper "Square" of the mark is a fanciful representation of the sun and sun rays, and that in the lower "Square" is a fanciful representation of a snow flake. | |