Jia Long Chang

Person

  • Fenyuan Hsiang, TW

Patents Applicationslast 30 patents

  • Information Patent Application

    Extendible cleaner rod

    • Publication number 20070163065
    • Publication date Jul 19, 2007
    • Jia Long Chang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS