TREA

John E. Kaczkos

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  • Elk Grove Village, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pushbutton dial for a telephone set or the like
    • Patent number D272736
    • Issue date Feb 21, 1984
    • GTE Automatic Electric Labs Inc.
    • John E. Kaczkos
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Pushbutton dial for a telephone set or the like
    • Patent number D272347
    • Issue date Jan 24, 1984
    • GTE Automatic Electric Labs Inc.
    • John E. Kaczkos
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Pushbutton dial for a telephone set or the like
    • Patent number D272346
    • Issue date Jan 24, 1984
    • GTE Automatic Electric Labs Inc.
    • John E. Kaczkos
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Hand held telephone set
    • Patent number D262207
    • Issue date Dec 8, 1981
    • GTE Automatic Electric Labs Inc.
    • John E. Kaczkos
    • D14 - Recording, communication, or information retrieval equipment