Patents by Inventor Benjamin J. Cullen

Benjamin J. Cullen 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).

  • Grill pattern on air filter inlet
    Patent number: D456505
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: April 30, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Jon R. Wolf, Paul K. Johnson, Brian S. McGinley, David M. Castiglione, Benjamin J. Cullen, Raymond Odell
  • Battery
    Patent number: D457132
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: May 14, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Ian T. Petherbridge, Benjamin J. Cullen, David Cook