Wai Man Lee

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Fanling, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dirt cup latch mechanism for vacuum cleaner
- Patent number 9,706,889
- Issue date Jul 18, 2017
- Bissell Homecare, Inc.
- Wai Man Lee
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Dirt cup latch mechanism for vacuum cleaner
- Patent number 8,640,301
- Issue date Feb 4, 2014
- Bissell Homecare, Inc.
- Wai Man Lee
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
LATCH MECHANISM FOR VACUUM CLEANER
- Publication number 20210045602
- Publication date Feb 18, 2021
- Bissell Inc.
- Wai Man Lee
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
DIRT CUP LATCH MECHANISM FOR VACUUM CLEANER
- Publication number 20170265702
- Publication date Sep 21, 2017
- BISSELL Homecare, Inc.
- Wai Man Lee
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...