TREA

Soon Beng Koh

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  • Singapore, SG
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refillable ink tanks
    • Patent number 8,789,934
    • Issue date Jul 29, 2014
    • Hewlett-Packard Development Company, L.P.
    • Qiong Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    REFILLABLE INK TANKS
    • Publication number 20110128330
    • Publication date Jun 2, 2011
    • Qiong Chen
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS