Closed loop

Patents Grantslast 30 patents

  • Information Patent Grant

    Wisdom ring puzzle

    • Patent number 11,052,306
    • Issue date Jul 6, 2021
    • i Subaru Co., Ltd.
    • Koji Takebayashi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Apparatus for cat's cradle game

    • Patent number 7,104,865
    • Issue date Sep 12, 2006
    • Michelle Neuburger
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Wire maze toy

    • Patent number 6,676,481
    • Issue date Jan 13, 2004
    • Educo International, Inc.
    • Kathy A. Klaus
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Multistable mechanical switching device

    • Patent number 6,343,788
    • Issue date Feb 5, 2002
    • Bruce Lamar Rosenberg
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multi-stable mechanical device employing compacted rods or disks

    • Patent number 5,924,692
    • Issue date Jul 20, 1999
    • Bruce Lamar Rosenberg
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Pyramid puzzle formed from tetrahedral and octaeder pieces connecte...

    • Patent number 5,108,100
    • Issue date Apr 28, 1992
    • Jan Essebaggers
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Loop transfer game device

    • Patent number 4,957,292
    • Issue date Sep 18, 1990
    • Yasuhiro Ushiyama
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Game with pegs randomly moved on board to stretch an elastic band

    • Patent number 4,667,965
    • Issue date May 26, 1987
    • O-Board, Inc.
    • Robert L. Helms
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Telescoping strut members and tendons for constructing tensile inte...

    • Patent number 4,614,502
    • Issue date Sep 30, 1986
    • William A. Nelson
    • E04 - BUILDING
  • Information Patent Grant

    Triangle combination game

    • Patent number 4,483,535
    • Issue date Nov 20, 1984
    • Jean-Guy LeCart
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Logical skill toy

    • Patent number 4,391,445
    • Issue date Jul 5, 1983
    • Gabor Vizelyi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Ring and loop puzzle

    • Patent number 4,221,386
    • Issue date Sep 9, 1980
    • Rafael Wisniewski
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3758114

    • Patent number 3,758,114
    • Issue date Sep 11, 1973
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3649026

    • Patent number 3,649,026
    • Issue date Mar 14, 1972
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3638948

    • Patent number 3,638,948
    • Issue date Feb 1, 1972
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3411787

    • Patent number 3,411,787
    • Issue date Nov 19, 1968
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    2744754

    • Patent number 2,744,754
    • Issue date May 8, 1956
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    2324566

    • Patent number 2,324,566
    • Issue date Jul 20, 1943
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    2091191

    • Patent number 2,091,191
    • Issue date Aug 24, 1937
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    1685400

    • Patent number 1,685,400
    • Issue date Sep 25, 1928
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    1538359

    • Patent number 1,538,359
    • Issue date May 19, 1925
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    1454131

    • Patent number 1,454,131
    • Issue date May 8, 1923
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    WISDOM RING PUZZLE

    • Publication number 20200246685
    • Publication date Aug 6, 2020
    • i Subaru Co., Ltd.
    • Koji TAKEBAYASHI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    APPARATUS FOR CAT'S CRADLE GAME

    • Publication number 20060189250
    • Publication date Aug 24, 2006
    • Michelle Neuburger
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Wire maze toy

    • Publication number 20030162476
    • Publication date Aug 28, 2003
    • Kathy A. Klaus
    • A63 - SPORTS GAMES AMUSEMENTS