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HL Corporation

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  • Hsin Chu Hsien, TW
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Pogo stick
    • Patent number 6,503,177
    • Issue date Jan 7, 2003
    • HL Corporation
    • William Paul Herman
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Foldable scooter and method of use
    • Patent number 6,481,729
    • Issue date Nov 19, 2002
    • HL Corporation
    • William P. Herman
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS