Tak Ko Wong

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Hong Kong SAR, CN

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Patents Grantslast 30 patents

Information Patent Grant
Retractable key chain
- Patent number 7,574,881
- Issue date Aug 18, 2009
- Tak Ko Wong
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Bubble-squeezing toy
- Patent number 7,264,533
- Issue date Sep 4, 2007
- T. K. Wong & Associates Ltd.
- Cecil Shu On Chan
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Soft toy or doll
- Publication number 20070259597
- Publication date Nov 8, 2007
- Tak Ko Wong
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Doll
- Publication number 20070232185
- Publication date Oct 4, 2007
- T.K. Wong & Associates Ltd.
- Tak Ko Wong
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Inflation valve for recreational balloon
- Publication number 20060084359
- Publication date Apr 20, 2006
- T.K. Wong & Associates Ltd.
- Tak Ko Wong
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Bubble-squeezing toy
- Publication number 20050282460
- Publication date Dec 22, 2005
- Cecil Shu On Chan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Bubble-squeezing toy
- Publication number 20050282459
- Publication date Dec 22, 2005
- T.K. Wong & Associates Ltd.
- Cecil Shu On Chan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Stretch frisbees
- Publication number 20050009435
- Publication date Jan 13, 2005
- T.K. Wong & Associates Ltd.
- Cecil Shu On Chan
- A63 - SPORTS GAMES AMUSEMENTS