Patents by Inventor PHILIP J. OBERBROECKLING, P.E.

PHILIP J. OBERBROECKLING, P.E. 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).

  • Publication number: 20100307059
    Abstract: The present invention is a hollow core screen door with the screen opening in the upper half of the door. In several embodiments the door is constructed to fit in a standard interior doorway without modifying the existing doorway frame. In several embodiments the screen is constructed in a modular frame for easy replacement of the screen if damaged or if other material such a glass or plexiglass is desired in the screen opening. In several embodiments the modular screen frame can be replaced without tools.
    Type: Application
    Filed: June 5, 2009
    Publication date: December 9, 2010
    Inventor: PHILIP J. OBERBROECKLING, P.E.