Patents by Inventor Michael A. Pitzel

Michael A. Pitzel 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).

  • Reversible, multi purpose, multi stylable structure
    Patent number: 4138744
    Abstract: A reversible, multi purpose, multi stylable structure for use as a hat, a pouch, a muff and a puppet, and formed from a multicolored equilateral triangle which is folded and secured in a position which permits the folded structure to be turned inside out to present six different combinations of outer surfaces, and including the method of constructing same.
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: February 13, 1979
    Inventor: Michael A. Pitzel