TREA

Sung Y. Lee

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  • Aiea, HI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golfer's head movement indicator
    • Patent number 4,869,509
    • Issue date Sep 26, 1989
    • Sung Y. Lee
    • A42 - HEADWEAR
  • Information Patent Grant

    Golf-grip training device
    • Patent number 4,861,034
    • Issue date Aug 29, 1989
    • Sung Y. Lee
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf swing indicator
    • Patent number 4,819,942
    • Issue date Apr 11, 1989
    • Swinglite, Inc.
    • Sung Y. Lee
    • A63 - SPORTS GAMES AMUSEMENTS