TREA

Anthony Kujawa Jr.

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  • Toledo, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilator cover
    • Patent number D247510
    • Issue date Mar 14, 1978
    • Production Research, Inc.
    • Anthony Kujawa
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Combined ventilator frame and cover
    • Patent number D247508
    • Issue date Mar 14, 1978
    • Production Research, Inc.
    • Anthony Kujawa
    • D23 - Environmental heating and cooling