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Lester L. Young

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  • Clayton, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Louvered vent
    • Patent number 4,592,271
    • Issue date Jun 3, 1986
    • Lester L. Young
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Chimney top spark arrester
    • Patent number 4,375,783
    • Issue date Mar 8, 1983
    • Lester L. Young
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES