David L. Cheremshynski

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  • Information Patent Application

    Automatic eaves trough downspout

    • Publication number 20040035473
    • Publication date Feb 26, 2004
    • David L. Cheremshynski
    • David L. Cheremshynski
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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