Patents by Inventor Robert Heffernan

Robert Heffernan 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).

  • Vacuum attachment
    Patent number: D681895
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: May 7, 2013
    Inventor: Robert Heffernan