U.S. federal trademark · Serial No. 73465758 · Reg. No. 1371143
VISUAL/AURAL BIOFEEDBACK INSTRUMENT CONSISTING OF A KEYBOARD, MICROPROCESSOR, SLOTS FOR RECEIVING INTERCHANGEABLE MODALITY BOARDS PERMITTING THE SELECTION OF A PHYSIOLOGICAL PARAMETER TO BE SENSED, AND A PORT FOR RECEIVING INTERCHANGEABLE CARTRIDGES PERMITTING VARIATION IN THE BIOFEEDBACK OF THE SENSED PHYSIOLOGICAL PARAMETER
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