Patents by Inventor Larry A. Blockinger

Larry A. Blockinger 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).

  • High security window
    Patent number: 4878314
    Abstract: A high security window is presented with a bullet resistant window pane on the exterior, an optional standard window pane on the interior, and an explosion resistant screen centrally located between the panes. The screen is electrically charged to prevent intruders from entering through the window. The window effectively protects against terrorists attacks, yet has pleasing aesthetics. The window can be opened and closed for both safety and security.
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: November 7, 1989
    Inventor: Larry A. Blockinger