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Desmond J. Ryan

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  • Ottawa, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Network presence indicator for communications management
    • Patent number 6,738,809
    • Issue date May 18, 2004
    • Nortel Networks Limited
    • Michel A. Brisebois
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Foldable wireless telephone wallet
    • Patent number 5,890,052
    • Issue date Mar 30, 1999
    • Northern Telecom Limited
    • Clifford D. Read
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone set add-on accessory module
    • Patent number D290354
    • Issue date Jun 16, 1987
    • Northern Telecom Limited
    • Desmond J. Ryan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Display terminal
    • Patent number D288323
    • Issue date Feb 17, 1987
    • Northern Telecom Limited
    • Desmond J. Ryan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handset telephone
    • Patent number D284761
    • Issue date Jul 22, 1986
    • Northern Telecom Limited
    • Desmond J. Ryan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Base for a telephone handset
    • Patent number D284763
    • Issue date Jul 22, 1986
    • Northern Telecom Limited
    • Desmond J. Ryan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone handset cord guide and retainer
    • Patent number 4,598,176
    • Issue date Jul 1, 1986
    • Northern Telecom Limited
    • Desmond J. Ryan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Display terminal
    • Patent number D280199
    • Issue date Aug 20, 1985
    • Northern Telecom Limited
    • Desmond J. Ryan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Housing for a telecommunications handset
    • Patent number D279004
    • Issue date May 28, 1985
    • Northern Telecom Limited
    • Desmond J. Ryan
    • D14 - Recording, communication, or information retrieval equipment