Patents by Inventor Sumner MacDonald

Sumner MacDonald 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).

  • Double hook key ring assembly
    Patent number: 5752401
    Abstract: A key ring assembly with two ring-holding bodies each carried in a housing for rotatable movement relative to each other and to the housing and for axial movement of one body to expose for removal one ring pursuant to selective movement of the other body.
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: May 19, 1998
    Inventor: Sumner MacDonald
  • Key holder
    Patent number: D505544
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: May 31, 2005
    Inventor: Sumner MacDonald
  • Key holder
    Patent number: D505781
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: June 7, 2005
    Inventor: Sumner MacDonald
  • Key holder
    Patent number: D506057
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: June 14, 2005
    Inventor: Sumner MacDonald
  • Key holder
    Patent number: D510798
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: October 25, 2005
    Inventor: Sumner MacDonald
  • Combined key holder and light
    Patent number: D472700
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: April 8, 2003
    Inventor: Sumner MacDonald
  • Character set of a font
    Patent number: D567847
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: April 29, 2008
    Inventor: Sumner MacDonald
  • Key ring opening tool
    Patent number: D577555
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: September 30, 2008
    Inventor: Sumner MacDonald
  • Character set of a font
    Patent number: D580966
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: November 18, 2008
    Inventor: Sumner MacDonald
  • Character set of a font
    Patent number: D580967
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: November 18, 2008
    Inventor: Sumner MacDonald
  • Character set of a font
    Patent number: D581454
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: November 25, 2008
    Inventor: Sumner MacDonald
  • Combination card and key holder
    Patent number: D621605
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: August 17, 2010
    Inventor: Sumner MacDonald
  • Key ring holder
    Patent number: D394151
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: May 12, 1998
    Inventor: Sumner MacDonald
  • Key ring holder
    Patent number: D394152
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: May 12, 1998
    Inventor: Sumner MacDonald
  • Key ring holder
    Patent number: D394346
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: May 19, 1998
    Inventor: Sumner MacDonald
  • Key ring holder
    Patent number: D394545
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: May 26, 1998
    Inventor: Sumner MacDonald
  • Key ring holder
    Patent number: D404561
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: January 26, 1999
    Inventor: Sumner MacDonald
  • Belt supported key ring holder
    Patent number: D416675
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: November 23, 1999
    Inventor: Sumner MacDonald
  • Key ring holder
    Patent number: D420215
    Type: Grant
    Filed: May 24, 1999
    Date of Patent: February 8, 2000
    Inventor: Sumner MacDonald
  • Money clip
    Patent number: D677193
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: March 5, 2013
    Inventor: Sumner MacDonald