TREA

Minoru Osada

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  • Torrance, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable eraser
    • Patent number D358169
    • Issue date May 9, 1995
    • Pentel of America, Ltd.
    • Minoru Osada
    • D19 - Office supplies
  • Information Patent Grant

    Automatic pencil
    • Patent number D358168
    • Issue date May 9, 1995
    • Pentel of America, Ltd.
    • Minoru Osada
    • D19 - Office supplies
  • Information Patent Grant

    Grip for a writing instrument
    • Patent number D358170
    • Issue date May 9, 1995
    • Pentel of America, Ltd.
    • Minoru Osada
    • D19 - Office supplies