Circular Patents (Class D21/488)
  • Tool for removing a sewer pop-up valve cap
    Patent number: D452121
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: December 18, 2001
    Inventor: Emery C. Teichelman
  • Toy building element
    Patent number: D456462
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: April 30, 2002
    Inventor: Soren Christian Sorensen
  • Toy building element
    Patent number: D409678
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 11, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D410042
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 18, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D410707
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: June 8, 1999
    Assignee: INTERLEGO AG
    Inventor: Ricco Reinholdt Krog
  • Toy building element
    Patent number: D410974
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: June 15, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Vehicle wheel for construction toy set
    Patent number: D412020
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: July 13, 1999
    Assignee: Connector Set Limited Partnership
    Inventor: Mark C. McCormick
  • Construction unit
    Patent number: D414276
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: September 21, 1999
    Assignee: Global Float Systems AB
    Inventors: Sture Bruno, Birger Eliasson
  • Toy building element
    Patent number: D415538
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: October 19, 1999
    Assignee: INTERLEGO AG
    Inventor: Ricco Reinholdt Krog
  • Toy element
    Patent number: D434812
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: December 5, 2000
    Assignee: INTERLEGO AG
    Inventor: Rikke Cecilie Lehn H.o slashed.eg