Membership
Tour
Register
Log in
Dar-Kuei Liaw
Follow
Person
Taipei, TW
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Ball pen combined with electronic watch
Patent number
4,585,364
Issue date
Apr 29, 1986
Dar-Kuei Liaw
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES