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William D. Orvis

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  • Ramsey, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for combustion of biofuels
    • Patent number 8,210,110
    • Issue date Jul 3, 2012
    • Hestia Heating Products, Inc.
    • Eric W. Nelson
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS FOR COMBUSTION OF BIOFUELS
    • Publication number 20090272302
    • Publication date Nov 5, 2009
    • Eric W. Nelson
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES