TREA

Stephen Halsall

Follow

Person

  • Tonbridge Wells, GB
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker drive unit
    • Patent number 6,745,867
    • Issue date Jun 8, 2004
    • KH Technology Corporation
    • Philip Jeffrey Anthony
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Loudspeaker system
    • Publication number 20130028442
    • Publication date Jan 31, 2013
    • GP Acoustics (UK) Limited
    • Yiu Cheung Brian Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUDIO SYSTEM AND SOUND FIELD CONTROLLER
    • Publication number 20100061574
    • Publication date Mar 11, 2010
    • GP ACOUSTICS (UK) LIMITED
    • Stephen Halsall
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker assembly
    • Publication number 20040258269
    • Publication date Dec 23, 2004
    • Stephen Halsall
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker unit and assembly
    • Publication number 20040112671
    • Publication date Jun 17, 2004
    • KH Technology Corporation
    • Stephen Halsall
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker drive units with flat surround
    • Publication number 20030051940
    • Publication date Mar 20, 2003
    • Philip Jeffrey Anthony
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE