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Alain Roussel

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  • Gatineau, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Frequency agile duplex filter
    • Patent number 8,655,301
    • Issue date Feb 18, 2014
    • BlackBerry Limited
    • Alain Roussel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Frequency agile duplex filter
    • Patent number 8,498,584
    • Issue date Jul 30, 2013
    • Research in Motion Limited
    • Alain Roussel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Frequency agile duplex filter
    • Patent number 8,351,889
    • Issue date Jan 8, 2013
    • Research in Motion Limited
    • Alain Roussel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Frequency agile duplex filter
    • Patent number 8,213,877
    • Issue date Jul 3, 2012
    • Research in Motion Limited
    • Charles Nicholls
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Frequency agile duplex filter
    • Patent number 7,970,354
    • Issue date Jun 28, 2011
    • Nortel Networks Limited
    • Charles Nicholls
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Frequency agile duplex filter
    • Patent number 7,702,295
    • Issue date Apr 20, 2010
    • Nortel Networks Limited
    • Charles Nicholls
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Adaptive feedforward noise cancellation circuit
    • Patent number 7,058,368
    • Issue date Jun 6, 2006
    • Nortel Networks Limited
    • Charles T Nicholls
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    FREQUENCY AGILE DUPLEX FILTER
    • Publication number 20130295860
    • Publication date Nov 7, 2013
    • Alain Roussel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    FREQUENCY AGILE DUPLEX FILTER
    • Publication number 20130017795
    • Publication date Jan 17, 2013
    • Charles Nicholls
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    FREQUENCY AGILE DUPLEX FILTER
    • Publication number 20120269102
    • Publication date Oct 25, 2012
    • Charles Nicholls
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Adaptive feedforward noise cancellation circuit
    • Publication number 20040198295
    • Publication date Oct 7, 2004
    • Charles T. Nicholls
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE