Patents by Inventor Tammy B. Downs

Tammy B. Downs 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: D621502
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: August 10, 2010
    Inventor: Tammy B. Downs