Patents Assigned to Tøpholm & Westermann APS
  • Hearing aid with a tightening ring
    Patent number: 6748093
    Abstract: The present invention relates to a hearing aid for insertion in the auditory canal, comprising a hearing aid housing and a face plate and a shell that is matched to the auditory canal of a user and has a tightening protrusion that extends along the surface of the shell and at least partly encircles the shell thereby providing a tight seal against the auditory canal wall when the shell is inserted in the auditory canal.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: June 8, 2004
    Assignee: Tøpholm & Westermann APS
    Inventor: Jan Tøpholm