U.S. federal trademark · Serial No. 73497114 · Reg. No. 1386606
EDUCATIONAL ELECTRICAL CONTROL SYSTEM MODULES IN THE NATURE OF CUBICAL STRUCTURES CONTAINING ELECTRO-MECHANICAL COMPONENTS TO SIMULATE ENVIRONMENTAL CONTROL SYSTEMS IN A BUILDING OR FIELD ENVIRONMENT, FOR EXAMPLE, IN REFRIGERATION, VENTILATION, AIR CONDITIONING OR HEATING SYSTEMS, ALL SOLD TO THE PLUMBING AND PIPE FITTING TRADES AND VOCATIONAL-TECHNICAL SCHOOLS
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