Membership
Tour
Register
Log in
Yen-Hung Wu
Follow
Person
Brookline, MA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Conic section compass
Patent number
5,870,830
Issue date
Feb 16, 1999
Yen-Hung Wu
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES