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Kai-Shun Mak
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Kwai Chung, CN
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last 30 patents
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Patent Grant
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Patent number
6,805,559
Issue date
Oct 19, 2004
Hop Lee Cheong Industrial Company Limited
Kai-Shun Mak
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Patent Application
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Publication number
20040115610
Publication date
Jun 17, 2004
Hop Lee Cheong Industrial Company Limited
Kai-Shun Mak
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES