Patents by Inventor Perry Alford

Perry Alford 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).

  • Car screen and window
    Patent number: 7137428
    Abstract: A ventilation device for automobiles having a screen which fits into the grooved portion of an automobile window opening so it can be moved adjustably up and down within the door. The screen is made from two layers, one of which has circular apertures and the other has openings made from horizontal and vertical members.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: November 21, 2006
    Inventor: Perry Alford