Patents by Inventor Nancy L. Sprenger

Nancy L. Sprenger 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: 6880221
    Abstract: A method of producing a purse or handbag from a single typically rectangular blank of flexible sheet material.
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: April 19, 2005
    Inventor: Nancy L. Sprenger
  • Publication number: 20020157744
    Abstract: A method of producing a purse or handbag from a single typically rectangular blank of flexible sheet material.
    Type: Application
    Filed: April 3, 2002
    Publication date: October 31, 2002
    Inventor: Nancy L. Sprenger