TREA

GTE Service Corporation

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Organization

  • Danvers, MA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Voltage tunable half wavelength microstrip filter
    • Patent number 4,757,287
    • Issue date Jul 12, 1988
    • GTE Service Corporation
    • John Grandfield
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coated cemented carbide cutting tool
    • Patent number 4,686,156
    • Issue date Aug 11, 1987
    • GTE Service Corporation
    • J. Gary Baldoni
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Telephone line status indicator
    • Patent number D288070
    • Issue date Feb 3, 1987
    • GTE Service Corporation
    • Woodrow W. Williams
    • D10 - Measuring, testing, or signalling instruments