Cheng Chi Yeung

Person

  • Hong Kong, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    STORAGE UNIT WITH COUPLING MECHANISM

    • Publication number 20110233206
    • Publication date Sep 29, 2011
    • Esselte Corporation
    • Cheng Chi Yeung
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER