TREA

James E. Vesper

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  • Potomac, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Room humidifier
    • Patent number 4,307,656
    • Issue date Dec 29, 1981
    • James E. Vesper
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Humidifier
    • Patent number 4,226,174
    • Issue date Oct 7, 1980
    • James E. Vesper
    • F24 - HEATING RANGES VENTILATING