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Chul-Ho Lee
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Ulsan, KR
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Patents Grants
last 30 patents
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Patent Grant
3-way switch for a gas-insulated apparatus
Patent number
9,147,540
Issue date
Sep 29, 2015
Hyundai Heavy Industries Co., Ltd.
Chul-Ho Lee
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
3-WAY SWITCH FOR A GAS-INSULATED APPARATUS
Publication number
20140116859
Publication date
May 1, 2014
HYUNDAI HEAVY INDUSTRIES CO., LTD.
Chul-Ho Lee
H01 - BASIC ELECTRIC ELEMENTS