Patents by Inventor Diane Hantz-Guibas

Diane Hantz-Guibas 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).

  • Patent number: 4441264
    Abstract: A driver's heel guard to prevent scuffing a shoe heel area, including a generally U-shaped, plastic body for clipping around the rear end of a shoe and in one design of the invention including a spring steel clip embedded therein.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: April 10, 1984
    Inventors: Diane Hantz-Guibas, John C. Guibas