Patents by Inventor Roberta A. Calhoun

Roberta A. Calhoun 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).

  • Bone conduction hearing aid fastening device
    Patent number: 7796771
    Abstract: A fastening device for a bone conduction hearing aid comprises a first end portion, a second portion structured and arranged to be coupled to a bone conduction hearing aid, and a transition portion that connects the first and second end portions.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: September 14, 2010
    Inventors: Roberta A. Calhoun, Jon Hummer