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Fred B. Gerth

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  • La Mirada, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coaxial flue-system for direct-vent fireplaces
    • Patent number 6,062,608
    • Issue date May 16, 2000
    • Marco Manufacturing, Inc.
    • Fred B. Gerth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combination log-set system
    • Patent number 5,786,045
    • Issue date Jul 28, 1998
    • Marco Manufacturing, Inc.
    • Fred B. Gerth
    • B44 - DECORATIVE ARTS