IC 037. US 100 103 106. G & S: Installation and maintenance services of industrial and commercial mechanical systems comprising heating, ventilating, and air conditioning systems. FIRST USE: 20050211. FIRST USE IN COMMERCE: 20050211
IC 042. US 100 101. G & S: Design and analysis of industrial and commercial mechanical systems comprising heating, ventilating, and air conditioning systems to achieve energy savings. FIRST USE: 20050211. FIRST USE IN COMMERCE: 20050211
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