Chiang-Ming Chen

Person

  • Taiping Hsiang, Taichung Hsien, TW

Patents Grantslast 30 patents

  • Information Patent Grant

    Drafting device

    • Patent number 5,386,640
    • Issue date Feb 7, 1995
    • Chiang-Ming Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Portable magnetic drafting board

    • Patent number 5,343,625
    • Issue date Sep 6, 1994
    • Chiang M. Chen
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Students multi-function protractor

    • Patent number 5,187,873
    • Issue date Feb 23, 1993
    • Bill C. B. Jeng
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES