Patents by Inventor Robert Zumbrunn

Robert Zumbrunn 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: 4167241
    Abstract: A combined letter envelope and display frame device for mailing and dispensing photographs includes a single piece of light cardboard or paper material folded into at least two panels. A first of the panels has on one side thereof adhesive strips for attachment thereto of a photograph to be mailed and displayed, and also for attachment thereto of one side of a second of the panels which is adapted to be folded over the one side of the first panel, thereby enclosing the photograph within the panels and forming a letter envelope. The second panel has therein an integral window portion defined by perforations which extend through the second panel, such that the window portion may be selectively manually removed along the perforations, thereby forming a display window for display of the photograph. One of the panels forms a back cover of the device and has therein a selectively manually movable supporting leg for supporting the device when it is employed as a display frame.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: September 11, 1979
    Inventor: Robert Zumbrunn