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Hee Hyeong CHO
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Seongnam-si, KR
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Patents Grants
last 30 patents
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Patent Grant
Air-conditioning and heating system for passenger boarding bridge a...
Patent number
9,976,781
Issue date
May 22, 2018
KOREA AIRPORTS CORPORATION
Hee Hyeong Cho
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
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Patent Application
AIR-CONDITIONING AND HEATING SYSTEM FOR PASSENGER BOARDING BRIDGE A...
Publication number
20150330672
Publication date
Nov 19, 2015
KOREA AIRPORTS CORPORATION
Hee Hyeong CHO
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES