TREA

Tokyo Sign Pen Mfg. Co., Ltd.

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  • Tokyo, JP
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  • Information Patent Grant

    Tip assembly of ball point pen
    • Patent number 6,322,270
    • Issue date Nov 27, 2001
    • Tokyo Sign Pen Mfg. Co., Ltd.
    • Yasuyuki Togashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

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