Patents by Inventor Bradley Dean Bengtsson

Bradley Dean Bengtsson 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).

  • Rechargeable hearing aid
    Patent number: 7620195
    Abstract: A hearing aid having a rechargeable battery and a charger for charging the battery includes a first microphone and a first speaker in the hearing aid and a second microphone and a second speaker in the charger for acoustically transferring data between the hearing aid and the charger. The hearing aid can detect the charge state of a battery and send a signal to the charger indicative of the charge state. The charger also includes a chamber for receiving at least a portion of the hearing aid.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: November 17, 2009
    Assignee: Zounds, Inc.
    Inventors: Bradley Dean Bengtsson, Scott Raymond Fink, Samuel L. Thomasson