U.S. federal trademark · Serial No. 78931484
low frequency, vibrating, electromechanical transducers for stimulating the tactile and auditory senses by converting electrical signals to vibrations to provide alarm signals that alert a driver of impending dangerous highway or road situations; low frequency, vibrating, electromechanical transducers for stimulating the tactile and auditory senses by converting electrical signals to vibrations to provide alarm signals that alert a driver of impending dangerous highway or road situations sold together as a unit with an associated modulation and control circuit
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