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David P. Flesch

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  • Cumberland, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High efficiency biomass stove
    • Patent number 7,823,578
    • Issue date Nov 2, 2010
    • Ardisam, Inc.
    • Robert J. Ruppel
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH EFFICIENCY BIOMASS STOVE
    • Publication number 20080173297
    • Publication date Jul 24, 2008
    • ARDISAM
    • Robert J. Ruppel
    • F24 - HEATING RANGES VENTILATING