Patents by Inventor Nicholas J. Berg

Nicholas J. Berg 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).

  • Speaking tube
    Patent number: 5123922
    Abstract: The present invention relates to a prosthetic device and more particularly to a tracheal speaking tube which is received within the stoma of a laryngectomee to assist in the creation of speech. The device includes a tube, an air flow altering device and a vibrating device, the vibrations of which cause an internal wall of the esophagus to vibrate to allow the laryngectomee to form speech.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: June 23, 1992
    Assignee: Brigham and Women's Hospital
    Inventor: Nicholas J. Berg