Membership
Tour
Register
Log in
Sam Yang
Follow
Person
Zhonghe City, Taipei County, TW
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Dual function condensate drain trap for negative or positive pressu...
Patent number
6,931,882
Issue date
Aug 23, 2005
Sam Yang
F24 - HEATING RANGES VENTILATING