TREA

K. Fou Tsai

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  • Rowland Hts., CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Three-sided magnetic folio
    • Patent number D304343
    • Issue date Oct 31, 1989
    • Avery International
    • Ghanshyam H. Popat
    • D19 - Office supplies
  • Information Patent Grant

    Magnetic folio
    • Patent number D302830
    • Issue date Aug 15, 1989
    • Avery International
    • Ghanshyam H. Popat
    • D19 - Office supplies
  • Information Patent Grant

    Two-sided magnetic folio
    • Patent number D302699
    • Issue date Aug 8, 1989
    • Avery International
    • Ghanshyam H. Popat
    • D19 - Office supplies