Tsung-An Wong

Person

  • Taipei, TW

Patents Grantslast 30 patents

  • Information Patent Grant

    Drawer for catalogue card

    • Patent number 5,257,859
    • Issue date Nov 2, 1993
    • Kewa Office & Library Products Co., Ltd.
    • Tsung-An Wong
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER