TREA

Michael Xiao Lei Liang

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  • Vancouver, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Attachment device for security apparatus
    • Patent number D670553
    • Issue date Nov 13, 2012
    • ACCO Brands Corporation
    • Robert Mahaffey
    • D08 - Tools and hardware
  • Information Patent Grant

    Attachment device for security apparatus
    • Patent number D661975
    • Issue date Jun 19, 2012
    • ACCO Brands Corporation
    • Robert Mahaffey
    • D08 - Tools and hardware
  • Information Patent Grant

    Security apparatus
    • Patent number D660682
    • Issue date May 29, 2012
    • Acco Brands USA LLC
    • Robert Mahaffey
    • D08 - Tools and hardware
  • Information Patent Grant

    Security apparatus
    • Patent number D651889
    • Issue date Jan 10, 2012
    • Acco Brands USA LLC
    • Robert Mahaffey
    • D08 - Tools and hardware