U.S. federal trademark · Serial No. 73545789 · Reg. No. 1404575
DUPLICATING HYDROCOLLOID USED TO MAKE HEARING AID EARPIECE USING AS A PATTERN THE IMPRESSION OF EAR OR EAR CANAL FOR FITTING OF HEARING AID
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.