TREA

Douglas E. Chin

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  • Chino Hills, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary sprinkler nozzle
    • Patent number 6,332,581
    • Issue date Dec 25, 2001
    • The Toro Company
    • Douglas E. Chin
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...