Patents by Inventor Paula A. Dozzi

Paula A. Dozzi 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).

  • Shoe structure
    Patent number: 5649373
    Abstract: A novel shoe structure, particularly a ballet shoe, is provided in which an elongate flat leaf spring element is provided associated with the sole of the shoe structure. The elongate leaf spring extends from the toe region of the shoe structure beyond the location of the metatarsal-phalangeal (m-p) joints of the wearer, so as to provide a mechanical power assist to the wearer at the m-p joints.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 22, 1997
    Assignee: University of Waterloo
    Inventors: David A. Winter, Paula A. Dozzi