Membership
Tour
Register
Log in
Chiang-Ming Chen
Follow
Person
Taiping Hsiang, Taichung Hsien, TW
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 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