Chih-Tsung Chen

Person

  • US

Patents Applicationslast 30 patents

  • Information Patent Application

    Expansion screw

    • Publication number 20070264099
    • Publication date Nov 15, 2007
    • Joker Industrial Co., Ltd.
    • Pan-Ching Huang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...