Patents by Inventor Ellen Oster

Ellen Oster 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).

  • Mat having padded portion
    Patent number: D623882
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: September 21, 2010
    Inventor: Ellen Oster