TREA

Xiaofeng Li

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  • Kitchener, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus pertaining to keycap light guides
    • Patent number 9,601,285
    • Issue date Mar 21, 2017
    • BlackBerry Limited
    • Xiaofeng Li
    • G02 - OPTICS
  • Information Patent Grant

    Method and apparatus pertaining to keypad frets
    • Patent number 9,082,567
    • Issue date Jul 14, 2015
    • BlackBerry Limited
    • Chao Chen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Keyboard
    • Patent number D658653
    • Issue date May 1, 2012
    • Research in Motion Limited
    • Shannon Tyler Moore
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keyboard
    • Patent number D658654
    • Issue date May 1, 2012
    • Research in Motion Limited
    • Shannon Tyler Moore
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keyboard
    • Patent number D658655
    • Issue date May 1, 2012
    • Research in Motion Limited
    • Shannon Tyler Moore
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents