Patents by Inventor Erik Sundgaard

Erik Sundgaard 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).

  • Disposable slipper and method for forming same
    Patent number: 4751784
    Abstract: A disposable slipper and method for forming the same comprising a flat planar piece of a resilient foldable material shaped to conform to the outline of the foot of a human. A pair of strips extend outwardly from opposite sides of the slipper at the intersection of the sole and heel portion thereof. By folding one of the strips over on top of the other strip, the overlapping strip adheres to the material of the slipper thereby retaining the slipper to the foot of the user.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: June 21, 1988
    Inventors: Al Petker, Erik Sundgaard