Patents by Inventor Elsa Burkhardt

Elsa Burkhardt 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).

  • Brush
    Patent number: D431367
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: October 3, 2000
    Inventor: Elsa Burkhardt