Mark Identification

SUB TERRA GROUND HEAT SYSTEMS

Serial Number

73578487

Filing Date

Jan 21, 1986

Registration Date

Feb 17, 1987

Trademark by

SUB-TERRA GROUND HEAT SYSTEMS INC.

Classification Information

DIRECT EXPANSION GROUND-COUPLED HEAT PUMP

Environmental Control Apparatus

CUSTOM MANUFACTURING OF HEAT PUMP SYSTEM COMPONENTS

Building Construction and Repair