U.S. federal trademark · Serial No. 77723965
hearing aids, hearing apparatus, namely, medical instruments that generate and play back sound tones for checking hearing; medical and electro-medical apparatus for the treatment of tinnitus, namely, hearing instruments that generate a masking noise signal and apply the signal as an electrical or mechanical vibration to the body to alleviate symptoms caused by tinnitus; and apparatus, namely, medical hearing instruments for the testing of the hearing of supersonic frequencies
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