Patents by Inventor David C. Funk

David C. Funk 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).

  • Apparatus for teaching the structures and projection of arterial systems
    Patent number: 4058910
    Abstract: A housing is provided with an observation opening which exposes a three dimensional model of an arterial system. When a rear-lighted projection screen is placed over the observation opening, light from a projector within the housing casts a shadow of the model on the screen to simulate the view seen in arteriography procedures.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: November 22, 1977
    Assignee: University of Iowa Research Foundation
    Inventor: David C. Funk