Chengling Zhang

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Suzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Floor cleaning head
- Patent number 9,968,231
- Issue date May 15, 2018
- Conta, S.R.O.
- Alexander Anthony Denny Bassett
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
FLOOR CLEANING HEAD
- Publication number 20160100734
- Publication date Apr 14, 2016
- Conta s.r.o.
- Alexander Anthony Denny Bassett
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...