Ricky Tong

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Kowloon Bay, HK

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Patents Grantslast 30 patents

Information Patent Grant
Powered tree construction
- Patent number 9,843,147
- Issue date Dec 12, 2017
- Polygroup Macau Limited (BVI)
- Chi Yin Alan Leung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Powered tree construction
- Patent number 8,863,416
- Issue date Oct 21, 2014
- Polygroup Macau Limited (BVI)
- Chi Yin Alan Leung
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
POWERED TREE CONSTRUCTION
- Publication number 20140087094
- Publication date Mar 27, 2014
- POLYGROUP MACAU LIMITED (BVI)
- Chi Yin Alan Leung
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
POWERED TREE CONSTRUCTION
- Publication number 20130108808
- Publication date May 2, 2013
- POLYGROUP MACAU LIMITED (BVI)
- Chi Yin Alan Leung
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...