Patents by Inventor Tjado Van Namen

Tjado Van Namen 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).

  • Transvaginal ultrasound probe
    Patent number: D320078
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: September 17, 1991
    Assignee: Diasonics, Inc.
    Inventors: Richard A. Terwilliger, Tjado Van Namen, John T. Norberg