Yang Wen-Yung

Person

  • Ta-Li, TW

Patents Grantslast 30 patents

  • Information Patent Grant

    Distributing/feeding device

    • Patent number 6,413,034
    • Issue date Jul 2, 2002
    • Chum Power Machinery Corp.
    • Yang Wen-Yung
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL