Patents by Inventor Mike Spraggins

Mike Spraggins 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).

  • Modular window insert with collapsible shade
    Patent number: 4679610
    Abstract: A modular, self-contained window insert made up of two panes of glass or impact resistant plastic which are secured within a frame which is sealed to prevent the entry of dust into the interior of the window unit. A shade in the form of a double accordian, collapsible sheet is placed within the window unit between the two panes of glass and can be moved upward or downward by use of a perimeter control mechanism secured to the frame.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: July 14, 1987
    Inventor: Mike Spraggins