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Derek MacDonald

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  • Palo Alto, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Communication system and method
    • Patent number 10,291,660
    • Issue date May 14, 2019
    • Skype
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Retrieval of stored transmissions
    • Patent number 9,608,946
    • Issue date Mar 28, 2017
    • Skype
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communication system and method
    • Patent number 9,521,360
    • Issue date Dec 13, 2016
    • Skype
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Retrieval of stored transmissions
    • Patent number 9,043,410
    • Issue date May 26, 2015
    • Skype
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communication system and method
    • Patent number 8,963,982
    • Issue date Feb 24, 2015
    • Skype
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Hold detection and handling
    • Patent number 8,447,021
    • Issue date May 21, 2013
    • Skype
    • Theo Peter Zourzouvillys
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Retrieval Of Stored Transmissions
    • Publication number 20150372951
    • Publication date Dec 24, 2015
    • Skype
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Communication System And Method
    • Publication number 20150124042
    • Publication date May 7, 2015
    • Skype
    • Derek MacDonald
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Retrieval of Stored Transmissions
    • Publication number 20130046830
    • Publication date Feb 21, 2013
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Communication System and Method
    • Publication number 20120207147
    • Publication date Aug 16, 2012
    • Derek MacDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Communication System and Method
    • Publication number 20120206553
    • Publication date Aug 16, 2012
    • Derek MacDonald
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Communication System and Method
    • Publication number 20120182988
    • Publication date Jul 19, 2012
    • Manrique Brenes
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Hold Detection and Handling
    • Publication number 20110228914
    • Publication date Sep 22, 2011
    • Theo Peter Zourzouvillys
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE