Patents by Inventor John W. Dullum

John W. Dullum 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).

  • Lawn waste bag support
    Patent number: D567464
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: April 22, 2008
    Assignee: Patti Group Incorporated
    Inventor: John W. Dullum