Yip Kwong Chan

Person

  • Kwai Chung, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Paper punch

    • Patent number 6,000,139
    • Issue date Dec 14, 1999
    • Y & H Industrial Limited
    • Yip Kwong Chan
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING