Membership
Tour
Register
Log in
Jeng-Lin Wang
Follow
Person
Taipei, TW
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Blackboard eraser
Patent number
4,462,134
Issue date
Jul 31, 1984
Jeng-Lin Wang
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES