Patents by Inventor Charles J. Librande

Charles J. Librande 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).

  • Method and apparatus for securing a screen to a window frame
    Patent number: 5787657
    Abstract: The present invention provides a window screen having operators that secure the window screen relative to a window frame. A pair of single rail operators releasably secure the upper end of the screen relative to the upper end of the window frame. A pair of double rail operators releasably secure the lower end and sides of the screen relative to the lower end and sides of the window frame.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: August 4, 1998
    Assignee: Andersen Corporation
    Inventors: Charles J. Librande, Brian A. Jensen, Todd W. Bruchu, Jeffrey M. Lynn
  • Method and apparatus for securing a screen to window frame
    Patent number: 5666773
    Abstract: The present invention provides a window screen having operators that secure the window screen relative to a window frame. A pair of single rail operators releasably secure the upper end of the screen relative to the upper end of the window frame. A pair of double rail operators releasably secure the lower end and sides of the screen relative to the lower end and sides of the window frame.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: September 16, 1997
    Assignee: Andersen Corporation
    Inventors: Charles J. Librande, Brian A. Jensen, Todd W. Bruchu, Jeffrey M. Lynn