Patents by Inventor Tammy L. Sewak

Tammy L. Sewak 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).

  • Leaf placemat
    Patent number: D312548
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: December 4, 1990
    Inventor: Tammy L. Sewak