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David John Johnston

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  • Tavistock, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Voltage controlled oscillators
    • Patent number 6,683,509
    • Issue date Jan 27, 2004
    • Zarlink Semiconductor Limited
    • Richard Albon
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Synchronous memory
    • Patent number 6,249,482
    • Issue date Jun 19, 2001
    • Mitel Semiconductor Limited
    • Richard Albon
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Semiconductor memories
    • Patent number 6,198,678
    • Issue date Mar 6, 2001
    • Mitel Semiconductor Limited
    • Richard Albon
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Voltage controlled oscillators
    • Publication number 20030048145
    • Publication date Mar 13, 2003
    • Richard Albon
    • H03 - BASIC ELECTRONIC CIRCUITRY