Patents by Inventor John J. Summers

John J. Summers 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).

  • Two-way window grid
    Patent number: 4103052
    Abstract: A window having the highly desirable appearance of being a plurality of panes each adjoined to adjacent panes by cross-bars having the triangular cross-section, on each face of the window, which is typical of the cross-bars of wooden divided sash, which appearance is created by the printing of a single design on only one side of the window with only one color, and incorporating unpainted areas to produce the illusion of three-dimensional depth of a triangular cross-section.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: July 25, 1978
    Assignee: National Gypsum Company
    Inventors: John J. Summers, Larry G. Willis