Cheng Kai Chen

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Pomona, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spin mop head
- Patent number D776891
- Issue date Jan 17, 2017
- Cheng Kai Chen
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Spin mop
- Patent number 9,032,579
- Issue date May 19, 2015
- Cheng Kai Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Spin mop
- Patent number 8,978,193
- Issue date Mar 17, 2015
- Cheng Kai Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Spin Mop
- Publication number 20150135453
- Publication date May 21, 2015
- Cheng Kai Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Spin Mop
- Publication number 20150033484
- Publication date Feb 5, 2015
- Cheng Kai Chen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...