IC 037. US 100 103 106. G & S: Consultation services in the field of vents and ventilation systems for commercial and residential buildings; repair and maintenance of vents and ventilation systems. FIRST USE: 19780331. FIRST USE IN COMMERCE: 19780331
IC 042. US 100 101. G & S: Custom design of vents and ventilation systems. FIRST USE: 19780331. FIRST USE IN COMMERCE: 19780331
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