U.S. federal trademark · Serial No. 75411681 · Reg. No. 2297415
PROGRAMMABLE CENTRAL CONTROLLERS, INTERFACE CARDS AND CARD CAGES, NAMELY, FRAMES IN WHICH CIRCUIT CARDS ARE MOUNTED AND ELECTRICALLY CONNECTED TO OTHER CIRCUIT CARDS AND CIRCUITS, SOLD SEPARATELY AND AS AN INTEGRAL COMPONENT OF REMOTE CONTROL SYSTEMS FOR USE WITH AUDIO, VIDEO AND LIGHTING EQUIPMENT
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