Patents by Inventor Dennis Bojrab

Dennis Bojrab has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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