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David Henderson

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  • Rochester, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete finishing machine
    • Patent number 8,083,510
    • Issue date Dec 27, 2011
    • Fabcon, Inc.
    • Jason Hensley
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    Concrete finishing machine
    • Publication number 20080069917
    • Publication date Mar 20, 2008
    • Michael LeJeune
    • B28 - WORKING CEMENT, CLAY, OR STONE