Chung Wai Stephen Chan

Person

  • Fotan, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Hand-operated cutting apparatus

    • Patent number 8,640,587
    • Issue date Feb 4, 2014
    • Cosso International Ltd.
    • Yiu Joe Cheung
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING