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John Gardner

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  • Bramley, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of controlling the charging of a photomuliplier tube includi...
    • Patent number 7,479,623
    • Issue date Jan 20, 2009
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • John Gardner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Frequency to frequency de-randomizer circuit
    • Patent number 6,696,868
    • Issue date Feb 24, 2004
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • John Gardner
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Flextensional transducers
    • Patent number 5,345,428
    • Issue date Sep 6, 1994
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • Douglas B. Arnold
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Sonar Transducers
    • Patent number 5,029,148
    • Issue date Jul 2, 1991
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • Douglas B. Arnold
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Sonar transducers
    • Patent number 5,016,228
    • Issue date May 14, 1991
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • Douglas B. Arnold
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Current amplifiers
    • Patent number 4,596,956
    • Issue date Jun 24, 1986
    • The Secretary of State for Defence in Her Britannic Majesty's Government of t...
    • John Gardner
    • H03 - BASIC ELECTRONIC CIRCUITRY