TREA

David B. Chaney

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  • Powell, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Convertible fan assembly
    • Patent number RE34334
    • Issue date Aug 3, 1993
    • The W. B. Marvin Manufacturing Company
    • David B. Chaney
    • 454 - Ventilation
  • Information Patent Grant

    Fan and grill support panel for a convertible fan assembly
    • Patent number D318915
    • Issue date Aug 6, 1991
    • The W. B. Marvin Manufacturing Company
    • David B. Chaney
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Convertible fan unit
    • Patent number D318526
    • Issue date Jul 23, 1991
    • The W. B. Marvin Manufacturing Company
    • David B. Chaney
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Grill for a convertible fan assembly
    • Patent number D313468
    • Issue date Jan 1, 1991
    • The W. B. Marvin Manufacturing Company
    • David B. Chaney
    • D23 - Environmental heating and cooling