Chang-Hwa Sun

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Changwon City, KR

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Patents Grantslast 30 patents

Information Patent Grant
Upright vacuum cleaner
- Patent number 9,027,200
- Issue date May 12, 2015
- LG Electronics Inc.
- Chung-Ook Chong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaner
- Patent number 8,613,125
- Issue date Dec 24, 2013
- LG Electronics Inc.
- Kyeong-Seon Jeong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Nozzle for a vacuum cleaner
- Patent number 8,434,194
- Issue date May 7, 2013
- LG Electronics Inc.
- Kyeong Seon Jeong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
UPRIGHT VACUUM CLEANER
- Publication number 20120198652
- Publication date Aug 9, 2012
- Chung-Ook Chong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
NOZZLE FOR A VACUUM CLEANER
- Publication number 20100287725
- Publication date Nov 18, 2010
- Kyeong Seon Jeong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
VACUUM CLEANER
- Publication number 20100132149
- Publication date Jun 3, 2010
- LG ELECTRONICS INC.
- Kyeong-Seon Jeong
- G05 - CONTROLLING REGULATING