TREA

Harry M. DeVane

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  • Oxnard, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound attenuation apparatus
    • Patent number 4,751,980
    • Issue date Jun 21, 1988
    • Harry M. DeVane
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Sound attenuator
    • Patent number 4,667,770
    • Issue date May 26, 1987
    • Harry M. DeVane
    • F24 - HEATING RANGES VENTILATING