Chang-Woo Seon

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Pupyong-gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Brush head of vacuum cleaner
- Patent number 6,532,622
- Issue date Mar 18, 2003
- Daewoo Electronics Co., Ltd.
- Chang-Woo Seon
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Brush head of vacuum cleaner
- Publication number 20010042285
- Publication date Nov 22, 2001
- Chang-Woo Seon
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...