Patents by Inventor Craig Hargreaves

Craig Hargreaves 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).

  • Housing extrusion for remote ballast
    Patent number: D537777
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: March 6, 2007
    Assignee: IP Holdings LLC
    Inventor: Craig Hargreaves
  • High wattage fluorescent fixture
    Patent number: D542460
    Type: Grant
    Filed: September 13, 2004
    Date of Patent: May 8, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Two lamp capacity low profile light fixture
    Patent number: D543651
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: May 29, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Reflective light housing
    Patent number: D543652
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: May 29, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Two lamp capacity low profile light fixture
    Patent number: D543653
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: May 29, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Eight lamp capacity low profile light fixture
    Patent number: D543654
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: May 29, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Light fixture
    Patent number: D543655
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: May 29, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Female 4 prong receptacle
    Patent number: D543941
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: June 5, 2007
    Assignee: IP Holdings, LLC
    Inventors: Craig Hargreaves, Brian Allison
  • Six lamp capacity low profile light fixture
    Patent number: D544129
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: June 5, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Four lamp capacity low profile light fixture
    Patent number: D544130
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: June 5, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Reflector
    Patent number: D544136
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: June 5, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Full spectrum horticulture light reflector
    Patent number: D544139
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: June 5, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves