Rectangular Patents (Class D21/491)
  • Roof system for a log building toy
    Patent number: D524879
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: July 11, 2006
    Inventor: Raul Chavez
  • Toy building set element
    Patent number: D537484
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: February 27, 2007
    Assignee: Interlego AG
    Inventor: Michael David Ganderton
  • Modular building blocks
    Patent number: D467286
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: December 17, 2002
    Inventor: Gordon Haas
  • Toy building set element
    Patent number: D546902
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: July 17, 2007
    Assignee: Interlego AG
    Inventor: Michael David Ganderton
  • Rectangular panel for construction toy set
    Patent number: D404090
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: January 12, 1999
    Assignee: Connector Set Limited Partnership
    Inventors: Joel I. Glickman, Rachele Carlson, Mark McCormick
  • Rectangular panel for construction toy set
    Patent number: D404775
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: January 26, 1999
    Assignee: Connector Set Limited Partnership
    Inventors: Joel I. Glickman, Rachele Carlson, Mark McCormick
  • Constructional toy piece
    Patent number: D407765
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: April 6, 1999
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Toy lattice frame piece
    Patent number: D422035
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: March 28, 2000
    Assignee: Parvia Corporation
    Inventor: Peter Cyrus
  • Panel for construction toy
    Patent number: D423606
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: April 25, 2000
    Assignee: Connector Set Limited Partnership
    Inventors: Joel I. Glickman, Charles J. Rodgers
  • Stackable leveling block
    Patent number: D426933
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: June 20, 2000
    Inventor: Robert W. Redfern