Circular Patents (Class D21/308)
  • Football dart board
    Patent number: D444505
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: July 3, 2001
    Assignee: Footballdarts.com, Inc.
    Inventor: Michael McGinnis
  • Dart board
    Patent number: D453360
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: February 5, 2002
    Assignee: Forhouse Corporation
    Inventor: Francis Pan
  • Door for a dart board
    Patent number: D453799
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: February 19, 2002
    Assignee: Forhouse Corporation
    Inventor: Francis Pan
  • Dartboard
    Patent number: D544042
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: June 5, 2007
    Assignee: Poker-Dart Pty Ltd
    Inventor: Philip Louis Sierakowski
  • Dart board
    Patent number: D563478
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: March 4, 2008
    Inventor: Charles M. Hanes, III
  • American dart board
    Patent number: D564597
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: March 18, 2008
    Inventors: James Craig Moody, Laura J. Hebisen
  • Dart board
    Patent number: D488192
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: April 6, 2004
    Inventor: Yong Cheol Kim
  • Combined dart game and board design
    Patent number: D491231
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: June 8, 2004
    Inventor: Terence Joseph Tournillon
  • Combined dart game and board design
    Patent number: D491232
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: June 8, 2004
    Inventor: Terence Joseph Tournillon
  • Combined dart game and board design
    Patent number: D491612
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: June 15, 2004
    Inventor: Terence Joseph Tournillon
  • Rotating dart board
    Patent number: D612892
    Type: Grant
    Filed: September 27, 2008
    Date of Patent: March 30, 2010
    Inventor: Joseph J. Miele
  • Dart game playing field
    Patent number: D406181
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: February 23, 1999
    Inventor: Thomas L. Smith
  • Electronic dart game
    Patent number: D423597
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: April 25, 2000
    Assignee: John R. Martin
    Inventors: John R. Martin, Richard F. Jones
  • Pyramid dart game
    Patent number: D434453
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: November 28, 2000
    Inventor: Andrew Manry Kenyon
  • Cornhole dartboard game
    Patent number: D709557
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: July 22, 2014
    Inventor: William B. Thomasson
  • Bean bag toss dartboard
    Patent number: D713888
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: September 23, 2014
    Inventors: Colleen Steele, Harry Helbig
  • Apparatus for disc dart game
    Patent number: D719613
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: December 16, 2014
    Inventors: David Rodriguez, Will Donohoo
  • Dart board
    Patent number: D762265
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: July 26, 2016
    Inventor: Kevin Perry
  • Dartboard football game
    Patent number: D764596
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: August 23, 2016
    Inventor: Monte L. D. Smith
  • Dart board
    Patent number: D781380
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: March 14, 2017
    Inventor: Yong Chul Kim
  • Electronic dart machine
    Patent number: D814573
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: April 3, 2018
    Assignee: Hong International Corp.
    Inventor: Sang Uk Hong
  • Indicating device for a game of darts
    Patent number: D819139
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: May 29, 2018
    Inventor: Ben McNair
  • Electronic dart machine
    Patent number: D831747
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: October 23, 2018
    Inventor: Jungwan Oh
  • Dartboard
    Patent number: D880597
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: April 7, 2020
    Assignees: International Darts Company Limited, IDCDARTS International Sports Culture Media (Beijing) Co., Ltd.
    Inventor: Zhou Mei
  • Floater attachment for underwater vehicle
    Patent number: D916979
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: April 20, 2021
    Assignee: Tianjin Deepfar Ocean Technology Co., Ltd.
    Inventor: Jiancang Wei
  • Deepwater booster
    Patent number: D937349
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: November 30, 2021
    Assignee: Tianjin Deepfar Ocean Technology Co., Ltd.
    Inventors: Jiancang Wei, Chunjiang Tian
  • Set of bags for billiards-type bag toss game
    Patent number: D986972
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: May 23, 2023
    Inventor: J. Eric Altman