Patents by Inventor John Heppner

John Heppner 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).

  • Lock shackle
    Patent number: D520339
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: May 9, 2006
    Assignee: Master Lock Company
    Inventor: John Heppner
  • Lock shackle
    Patent number: D524145
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: July 4, 2006
    Assignee: Master Lock Company
    Inventor: John Heppner
  • Lock shackle
    Patent number: D529786
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: October 10, 2006
    Assignee: Master Lock Company
    Inventor: John Heppner
  • Lock
    Patent number: D533435
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: December 12, 2006
    Assignee: Master Lock Company
    Inventors: Dave Kearns, Mark Van Handel, Scott Kalous, John Heppner
  • Lock shackle
    Patent number: D533764
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: December 19, 2006
    Assignee: Master Lock Company
    Inventor: John Heppner
  • Lock
    Patent number: D541630
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: May 1, 2007
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Glenn P. Meekma
  • Lock shackle
    Patent number: D541631
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: May 1, 2007
    Assignee: Master Lock Company LLC
    Inventor: John Heppner
  • Lock
    Patent number: D542625
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: May 15, 2007
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde
  • Lock shackle
    Patent number: D547162
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: July 24, 2007
    Assignee: Master Lock Company, LLC
    Inventor: John Heppner
  • Lock shackle
    Patent number: D548045
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: August 7, 2007
    Assignee: Master Lock Company LLC
    Inventor: John Heppner
  • Lock shackle
    Patent number: D549554
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: August 28, 2007
    Assignee: Master Lock Company LLC
    Inventor: John Heppner
  • Shackle
    Patent number: D556541
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: December 4, 2007
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde, Glenn P. Meekma
  • Shackle
    Patent number: D576859
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: September 16, 2008
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde, Glenn P. Meekma
  • Shackle
    Patent number: D576860
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: September 16, 2008
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde, Glenn P. Meekma
  • Shackle
    Patent number: D576861
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: September 16, 2008
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde, Glenn P. Meekma
  • Shackle
    Patent number: D576862
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: September 16, 2008
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde, Glenn P. Meekma
  • Shackle
    Patent number: D576863
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: September 16, 2008
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde, Glenn P. Meekma
  • Shackle
    Patent number: D576864
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: September 16, 2008
    Assignee: Master Lock Company LLC
    Inventors: John Blomstrom, John Heppner, Christopher Rohde, Glenn P. Meekma