So Young Yun

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Daegu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Traffic cone having alarm function
- Patent number 9,624,629
- Issue date Apr 18, 2017
- So Young Yun
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
TRAFFIC CONE HAVING ALARM FUNCTION
- Publication number 20150204035
- Publication date Jul 23, 2015
- So Young Yun
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES