Patents by Inventor David W. Thornburg

David W. Thornburg 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).

  • Orthodontic appliance
    Patent number: 5620321
    Abstract: The telescoping mandibular advancing device is an orthodontic appliance used to promote the forward displacement of the lower jaw. The appliance comprises a pair of telescoping devices that attach on one end to the maxillary arch via a modified ball and socket device and on the other end to the mandibular arch via a modified ball and socket device. The modified ball and socket attachments are specifically designed to simplify installation and adjustment of the appliance. The device is also designed to minimize patient discomfort.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: April 15, 1997
    Assignee: TP Orthodontics, Inc.
    Inventors: David W. Thornburg, Philip S. Horvath