Patents by Inventor Edward R. McHenry

Edward R. McHenry 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).

  • Patent number: 4048738
    Abstract: The sign has changeable indicia; it has a frame enclosing a center area and a plurality of flattened tubular vertically aligned indicia carriers filling the center area of the frame, the indicia carriers being slidably interlocked with each other, and indicia plates slidably received in at least one indicia carrier to present a display message through the front of the sign.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: September 20, 1977
    Inventor: Edward R. McHenry