Sik-Sheung Choi

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New Territories, HK

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Patents Grantslast 30 patents

Information Patent Grant
Inflatable device with electronic devices
- Patent number 8,366,502
- Issue date Feb 5, 2013
- Hydrodynamic Industrial Co. Ltd.
- Joseph Lin
- E04 - BUILDING
Information Patent Grant
Inflatable device with electronic devices
- Patent number 7,988,512
- Issue date Aug 2, 2011
- Hydrodynamic Industrial Company Limited
- Joseph Lin
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Inflatable device with electronic devices
- Publication number 20110294383
- Publication date Dec 1, 2011
- Joseph Lin
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Inflatable device with electronic devices
- Publication number 20100297899
- Publication date Nov 25, 2010
- Joseph Lin
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT