TREA

John Norman Wells

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  • Hertfordshire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Signal combiner
    • Patent number 6,828,874
    • Issue date Dec 7, 2004
    • IFR Limited
    • John Norman Wells
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency synthesizer
    • Patent number 5,781,600
    • Issue date Jul 14, 1998
    • Marconi Instruments Limited
    • John Michael Reeve
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Variable frequency signal generator
    • Patent number 5,079,522
    • Issue date Jan 7, 1992
    • Marconi Instruments Limited
    • David P. Owen
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency synthesizer
    • Patent number 4,914,405
    • Issue date Apr 3, 1990
    • Marconi Instruments Limited
    • John N. Wells
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Phase comparators
    • Patent number 4,851,784
    • Issue date Jul 25, 1989
    • Marconi Instruments Limited
    • John N. Wells
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency synthesizers
    • Patent number 4,609,881
    • Issue date Sep 2, 1986
    • Marconi Instruments Limited
    • John N. Wells
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Signal combiner
    • Publication number 20040174229
    • Publication date Sep 9, 2004
    • John Norman Wells
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Signal measurement
    • Publication number 20030176984
    • Publication date Sep 18, 2003
    • David Paul Owen
    • G01 - MEASURING TESTING