Patents by Inventor David A. DeBlolck

David A. DeBlolck 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).

  • Retractable screen door
    Publication number: 20030079844
    Abstract: A retractable screen door for drawing a flexible screen panel across an opening, including a flexible screen wound around a spring biased take-up shaft, and guide rails for guiding the screen as it is moved across the opening. A unique latch mechanism is disclosed, said latch mechanism being located in the guide rails. Further, the screen may include an adjustable gear assembly for changing the tension on the spring. The retractable screen is optionally designed to have the appearance of a common door casing.
    Type: Application
    Filed: October 25, 2001
    Publication date: May 1, 2003
    Inventors: David A. DeBlolck, Keith Early, Michael S. Eveland, Benjamin P. Hummel