U.S. federal trademark · Serial No. 74272149 · Reg. No. 1744400
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
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.