Patents by Inventor David C. Geddes

David C. Geddes 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).

  • Stencil
    Patent number: 4309825
    Abstract: A stencil for a design having an outline and a center blank, comprising a main stencil member and an auxiliary stencil member. The main member has an opening defining the design outline and the auxiliary member has a subtending portion registrable with the opening in the main member. An opening through the auxiliary member and the subtending portion defines the center blank.
    Type: Grant
    Filed: March 26, 1980
    Date of Patent: January 12, 1982
    Inventor: David C. Geddes