Cheol Yu

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Resin guardrail
- Patent number 10,982,086
- Issue date Apr 20, 2021
- Caris Co., Ltd.
- Cheol Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
RESIN GUARDRAIL
- Publication number 20210108068
- Publication date Apr 15, 2021
- Caris Co., Ltd.
- Cheol YU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Resin Guardrail
- Publication number 20080308779
- Publication date Dec 18, 2008
- WOORIELTECH CO., LTD.
- Cheol Yu
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES