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David M. Fetters

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  • Holland, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clip securing arrangement for ventilation systems
    • Patent number 5,015,015
    • Issue date May 14, 1991
    • Hart & Cooley, Inc.
    • David M. Fetters
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Metal chimney assembly
    • Patent number 4,781,402
    • Issue date Nov 1, 1988
    • Metal-Fab, Inc.
    • John D. Ream
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...