Chi Kyo Jung

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Sungnam, KR

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Patents Grantslast 30 patents

Information Patent Grant
Face shield for safety helmet
- Patent number D563603
- Issue date Mar 4, 2008
- Otos Tech Co., Ltd.
- Moon young Huh
- D29 - Equipment for safety, protection, and rescue

Patents Applicationslast 30 patents

Information Patent Application
Face Shield for Safety Helmet
- Publication number 20090313745
- Publication date Dec 24, 2009
- KOREA ELECTRIC POWER CORPORATION
- Nae-Goog Kang
- A42 - HEADWEAR