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Jerry K. Chang

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  • Largo, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Small piston pump
    • Patent number 6,981,854
    • Issue date Jan 3, 2006
    • Chemilizer Products, Inc.
    • Jerry K. Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...