Patents Assigned to Richards Metal Company
  • Magnet for installation in the middle ear
    Patent number: 4840178
    Abstract: A magnet assembly for location around portions of bones in the middle ear where one portion of the assembly is a magnet and another portion of the assembly is a magnetic material, the portions being hinged to one another so that they are held around the bone by the magnetic field and being adapted for optimal coupling with a magnetic field produced by a coil in a magnetic induction hearing aid.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: June 20, 1989
    Assignee: Richards Metal Company
    Inventors: Jorgen Heide, Timothy D. Gooch, Anthony D. Prescott, Dennis Bojrab