TREA

Margaret Hetfield

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  • Arlington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Notebook computer enclosure
    • Patent number D371767
    • Issue date Jul 16, 1996
    • Digital Equipment Corporation
    • Robert T. Faranda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Identification panel for electronic equipment cabinet
    • Patent number 5,363,578
    • Issue date Nov 15, 1994
    • Digital Equipment Corporation
    • David Chesley
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Network multiplexor for an office environment
    • Patent number D346370
    • Issue date Apr 26, 1994
    • Digital Equipment Corporation
    • Margaret L. Hetfield
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic device module
    • Patent number D344710
    • Issue date Mar 1, 1994
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Cover for wall mounted electronic equipment
    • Patent number D342523
    • Issue date Dec 21, 1993
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Power supply module
    • Patent number D338653
    • Issue date Aug 24, 1993
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electronic device module
    • Patent number D337761
    • Issue date Jul 27, 1993
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Enclosure for electronic module
    • Patent number D336290
    • Issue date Jun 8, 1993
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic device module
    • Patent number D336081
    • Issue date Jun 1, 1993
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic device module
    • Patent number D336082
    • Issue date Jun 1, 1993
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Wall mounted power supply module
    • Patent number D334733
    • Issue date Apr 13, 1993
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Shielded printed circuit board housing for high density storage
    • Patent number 5,162,980
    • Issue date Nov 10, 1992
    • Digital Equipment Corporation
    • Stuart K. Morgan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Video display terminal
    • Patent number D329847
    • Issue date Sep 29, 1992
    • Digital Equipment Corporation
    • Margaret L. Hetfield
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electroluminiscence display panel
    • Patent number D313431
    • Issue date Jan 1, 1991
    • Digital Equipment Corporation
    • Stanley J. Jaskiel
    • D20 - Sales and advertising equipment