David M.K. Lau

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Fold-up storage container
- Patent number 6,811,048
- Issue date Nov 2, 2004
- David M. K. Lau
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
System for charging electric vehicle batteries from street lights a...
- Publication number 20120229085
- Publication date Sep 13, 2012
- David M. K. Lau
- B60 - VEHICLES IN GENERAL
Information Patent Application
Fold-up storage container
- Publication number 20030150769
- Publication date Aug 14, 2003
- David M.K. Lau
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL