U.S. federal trademark · Serial No. 76345314 · Reg. No. 492183
CONSULTANCY IN THE FIELD OF THE MANUFACTURE AND USE OF HEARING AIDS FOR THE DEAF AND OF HEARING AID SHELLS; EVALUATION AND DETERMINATION OF PHYSIOLOGICAL AND ACOUSTIC CHARACTERISTICS OF A HUMAN EAR, INCLUDING THE MEASUREMENT OF AN EAR CANAL FOR THE MANUFACTURE OF HEARING AID SHELLS
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