TREA

David Johnson

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  • Kilnwick, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic actuators
    • Patent number 7,620,193
    • Issue date Nov 17, 2009
    • Newlands Technology Limited
    • William John Metheringham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic device
    • Patent number 7,103,190
    • Issue date Sep 5, 2006
    • Newlands Technology Limited
    • David Johnson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Magnetostrictive actuator
    • Patent number 6,891,286
    • Issue date May 10, 2005
    • Graham Flanagan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Acoustic actuators
    • Publication number 20060050904
    • Publication date Mar 9, 2006
    • William John Metheringham
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic device
    • Publication number 20050053257
    • Publication date Mar 10, 2005
    • David Johnson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MAGNETOSTRICTIVE ACTUATOR
    • Publication number 20050029878
    • Publication date Feb 10, 2005
    • Graham Flanagan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE