Membership
Tour
Register
Log in
Sang-Bong Lee
Follow
Person
Pusan, KR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Ball valve apparatus having a moisture indicator
Patent number
7,549,389
Issue date
Jun 23, 2009
Essentech Co., Ltd
Si-Nam Cho
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
MOISTURE INDICATOR
Publication number
20080034763
Publication date
Feb 14, 2008
Si-Nam Cho
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
BALL VALVE APPARATUS HAVING A MOISTURE INDICATOR
Publication number
20070204634
Publication date
Sep 6, 2007
Si-Nam Cho
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...