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David DRYSDALE

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  • London, GB
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    PROCESSING DATA AND OPERATING A COMMUNICATIONS DEVICE
    • Publication number 20180288139
    • Publication date Oct 4, 2018
    • Metaswitch Networks Ltd.
    • David Drysdale
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SYSTEMS AND METHODS OF CALL-BASED DATA COMMUNICATION
    • Publication number 20160088452
    • Publication date Mar 24, 2016
    • Metaswitch Networks Ltd.
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PROCESSING DATA AND OPERATING A COMMUNICATIONS DEVICE
    • Publication number 20150127743
    • Publication date May 7, 2015
    • Metaswitch Networks Ltd.
    • David Drysdale
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA COMMUNICATION
    • Publication number 20140376704
    • Publication date Dec 25, 2014
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CONTROLLING COMMUNICATIONS EQUIPMENT
    • Publication number 20140106720
    • Publication date Apr 17, 2014
    • Metaswitch Networks Ltd.
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Communication System
    • Publication number 20140079203
    • Publication date Mar 20, 2014
    • Metaswitch Networks Ltd.
    • David Matthew Drysdale
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Data Communication
    • Publication number 20130329872
    • Publication date Dec 12, 2013
    • Liz RICE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Data Communication
    • Publication number 20130329875
    • Publication date Dec 12, 2013
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA COMMUNICATION
    • Publication number 20130279675
    • Publication date Oct 24, 2013
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA COMMUNICATION
    • Publication number 20130252595
    • Publication date Sep 26, 2013
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA COMMUNICATION
    • Publication number 20130230158
    • Publication date Sep 5, 2013
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA COMMUNICATION
    • Publication number 20130230157
    • Publication date Sep 5, 2013
    • Chris MAIRS
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Processing Data and Operating a Communications Device
    • Publication number 20130227058
    • Publication date Aug 29, 2013
    • Metaswitch Networks Ltd.
    • David Drysdale
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Processing Data
    • Publication number 20130101106
    • Publication date Apr 25, 2013
    • Metaswitch Networks Ltd.
    • Chris Mairs
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE