Patents Assigned to Smith Abrasives, Inc.
  • Patent number: 7553220
    Abstract: A hand held retractable abrasive sharpener having a rod formed with a tapered end portion and a partially cylindrical opposite end portion. A part of the partially cylindrical opposition end portion is flat. A slot is formed in the rod. Substantially all of the outer surfaces include layers of the rod have an abrasive material. The rod is carried in a carrying case for transport and storage in a locked relationship and being capable of being released and withdrawn for sharpening with carrying case serving as a holder.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: June 30, 2009
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: 7153201
    Abstract: An oval rod sharpener having an interrupted diamond abrasive surface having plurality of holes forming wells for collecting filings during sharpening. The abrasive surface is formed by multiple layers of micron sized diamonds, such as monocrystalline diamonds. A plastic pad is provided on the tip end of the oval abrasive rod to protect a support surface on which the sharpener rests during a sharpening operation.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: December 26, 2006
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S Smith
  • Patent number: D526876
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: August 22, 2006
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D529779
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: October 10, 2006
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D575125
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: August 19, 2008
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D578581
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: October 14, 2008
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard Smith
  • Patent number: D587088
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: February 24, 2009
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D587549
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: March 3, 2009
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D587550
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: March 3, 2009
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D499004
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: November 30, 2004
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D499323
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: December 7, 2004
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D603679
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: November 10, 2009
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard Smith
  • Patent number: D604124
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: November 17, 2009
    Assignee: Smith Abrasives, Inc.
    Inventors: Richard S. Smith, Louis Challant
  • Patent number: D604133
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: November 17, 2009
    Assignee: Smith Abrasives, Inc.
    Inventor: Richard S. Smith
  • Patent number: D604134
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: November 17, 2009
    Assignee: Smith Abrasives, Inc.
    Inventors: Richard S. Smith, Louis Challant
  • Patent number: D604135
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: November 17, 2009
    Assignee: Smith Abrasives, Inc.
    Inventors: Richard S. Smith, Louis Challant
  • Patent number: D605906
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: December 15, 2009
    Assignee: Smith Abrasives, Inc.
    Inventors: Richard S. Smith, Louis Challant
  • Patent number: D611311
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: March 9, 2010
    Assignee: Smith Abrasives, Inc.
    Inventors: Richard S. Smith, Louis Chalfant
  • Patent number: D666463
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: September 4, 2012
    Assignee: Smith Abrasives, Inc.
    Inventors: Richard S. Smith, Louis Chalfant
  • Patent number: D666882
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: September 11, 2012
    Assignee: Smith Abrasives, Inc.
    Inventors: Richard S. Smith, Louis Chalfant