Patents by Inventor Cynthia Siebert

Cynthia Siebert 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).

  • Seasonal multicultural hat
    Patent number: D501980
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: February 22, 2005
    Inventor: Cynthia Siebert