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Choi Man Wa
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Fanling, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Anti-counterfeiting mechanism for a toy housing
Patent number
8,911,845
Issue date
Dec 16, 2014
Choi Man Wa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Water-based drawing surface and device utilizing same
Patent number
8,017,222
Issue date
Sep 13, 2011
Battat Inc.
Choi Man Wa
B44 - DECORATIVE ARTS
Information
Patent Grant
Drive and secure mechanism for toy vehicle and track
Patent number
7,770,524
Issue date
Aug 10, 2010
Battat Incorporated
Choi Man Wa
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Flexible track for a toy vehicle
Patent number
7,051,948
Issue date
May 30, 2006
Battat Incorporated
Choi Man Wa
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Flexible track for a toy vehicle
Patent number
6,631,850
Issue date
Oct 14, 2003
Battat Incorporated
Choi Man Wa
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Flexible track for a toy vehicle
Publication number
20040182947
Publication date
Sep 23, 2004
Choi Man Wa
A63 - SPORTS GAMES AMUSEMENTS