Patents by Inventor David P. Ogilvie

David P. Ogilvie 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).

  • Sign
    Patent number: 4870769
    Abstract: A frame member having first and second faces at right angles to one another and recesses in the faces for receiving panels or the like for producing a sign having the frame members as a surround. Each face has at least two recesses and the sign can be in the form of a cuboid.
    Type: Grant
    Filed: February 1, 1988
    Date of Patent: October 3, 1989
    Assignee: Signaid Limited
    Inventor: David P. Ogilvie
  • Frame member extrusion for signs
    Patent number: D319509
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: August 27, 1991
    Assignee: Ogilvie Signs and Engraving Company Limited
    Inventor: David P. Ogilvie