Patents by Inventor Robert Malen

Robert Malen 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).

  • Toothbrush training device
    Patent number: D618727
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: June 29, 2010
    Inventor: Robert Malen
  • Toothbrush training device
    Patent number: D637646
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: May 10, 2011
    Inventor: Robert Malen