Puzzle Patents (Class D21/478)
Interfitting elements (e.g., take apart and put together) (Class D21/479)
Including cord (Class D21/481)
Wire type (Class D21/482)
  • Nutz puzzle game
    Patent number: D406283
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: March 2, 1999
    Inventor: Thomas P. Shank
  • Jigsaw puzzle
    Patent number: D406284
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: March 2, 1999
    Inventor: Carol Owen
  • Construction game
    Patent number: D406619
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: March 9, 1999
    Inventor: Peter Karl Walter Larws
  • Jigsaw puzzle
    Patent number: D406620
    Type: Grant
    Filed: February 19, 1998
    Date of Patent: March 9, 1999
    Assignee: 3 D'Art
    Inventor: Mark Charles Everdell
  • Magic puzzle
    Patent number: D407447
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: March 30, 1999
    Assignee: BHS International Inc.
    Inventor: Sai Ying Tam
  • Cubic alignment game
    Patent number: D408060
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: April 13, 1999
    Inventor: Chris A Borg
  • Cubic alignment game
    Patent number: D408061
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: April 13, 1999
    Inventor: Christopher A. Borg
  • Puzzle cube
    Patent number: D412541
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: August 3, 1999
    Assignee: Samson Innovation Corporation Ltd.
    Inventor: Sai Ying Tam
  • Three-dimensional geometric puzzle
    Patent number: D413361
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: August 31, 1999
    Assignee: Cuisenaire Company of America, Inc.
    Inventor: Linda Silvey