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Toy drawing board
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Patent number D591801
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Issue date May 5, 2009
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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D21 - Games, toys, and sports goods
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Erasable graphic panel
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Patent number 6,805,559
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Issue date Oct 19, 2004
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Toy drawing board
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Patent number D467971
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Issue date Dec 31, 2002
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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D19 - Office supplies
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Toy gearing system
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Patent number 6,412,362
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Issue date Jul 2, 2002
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Hop Lee Cheong Industrial Company Limited
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Shu-Wa Leung
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A63 - SPORTS GAMES AMUSEMENTS
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Toy drawing board
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Patent number D443304
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Issue date Jun 5, 2001
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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D19 - Office supplies
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Cog spinning toy
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Patent number D442250
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Issue date May 15, 2001
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Hop Lee Cheong Industrial Company Limited
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Shu-Wa Leung
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D21 - Games, toys, and sports goods
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Drawing board
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Patent number 6,092,294
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Issue date Jul 25, 2000
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Toy drawing table
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Patent number D427649
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Issue date Jul 4, 2000
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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D21 - Games, toys, and sports goods
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Levitation blower
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Patent number 6,045,341
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Issue date Apr 4, 2000
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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A63 - SPORTS GAMES AMUSEMENTS
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Toy drawing board
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Patent number D419599
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Issue date Jan 25, 2000
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Hop Lee Cheong Industrial Company Ltd.
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Kai-Shun Mak
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D19 - Office supplies
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Toy drawing board
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Patent number D419190
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Issue date Jan 18, 2000
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Hop Lee Cheong Industrial Company Ltd.
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Kai-Shun Mak
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D19 - Office supplies
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Toy building element
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Patent number D411865
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Issue date Jul 6, 1999
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Hop Lee Cheong Industrial Limited
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Kai-Shun Mak
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D21 - Games, toys, and sports goods
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Toy building element
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Patent number D409687
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Issue date May 11, 1999
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Hop Lee Cheong Industrial Limited
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Kai-Shun Mak
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D21 - Games, toys, and sports goods
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Table for educational games
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Patent number D399680
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Issue date Oct 20, 1998
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Hop Lee Cheong Industrial Co., Ltd.
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Kai-Shun Mak
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D06 - Furnishings
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Baby walker
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Patent number D391531
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Issue date Mar 3, 1998
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Hop Lee Cheong Industrial Company Limited
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Kai-Shun Mak
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D12 - Transportation
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Disc shooter
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Patent number D390284
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Issue date Feb 3, 1998
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Hop Lee Cheong Industrial Company Limited
-
Kai-Shun Mak
-
D21 - Games, toys, and sports goods
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Drawing board
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Patent number D358608
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Issue date May 23, 1995
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Hop Lee Cheong Industrial Co. Ltd.
-
Kai-Shun Mak
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D19 - Office supplies
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Drawing board
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Patent number D356824
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Issue date Mar 28, 1995
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Hop Lee Cheong Industrial Co., Ltd.
-
Kai-Shun Mak
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D19 - Office supplies
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Drawing board
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Patent number D356335
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Issue date Mar 14, 1995
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Hop Lee Cheong Industrial Company Ltd.
-
Kai-Shun Mak
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D19 - Office supplies
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Drawing board
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Patent number D356336
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Issue date Mar 14, 1995
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Hop Lee Cheong Industrial Company Ltd.
-
Kai-Shun Mak
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D19 - Office supplies
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Child's magic drawing board
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Patent number 5,393,231
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Issue date Feb 28, 1995
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Hop Lee Cheong Industrial Co. Ltd.
-
Kai-Shun Mak
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Drawing board
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Patent number D345177
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Issue date Mar 15, 1994
-
Hop Lee Cheong Industrial Co. Ltd.
-
Kai-Shun Mak
-
D19 - Office supplies
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Drawing board
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Patent number D336751
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Issue date Jun 22, 1993
-
Hop Lee Cheong Industrial Co.
-
Kai-Shun Mak
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D19 - Office supplies
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Drawing toy
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Patent number D279489
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Issue date Jul 2, 1985
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Hop Lee Cheong Industrial Co. Ltd.
-
Kai S. Mak
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D21 - Games, toys, and sports goods
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Drawing toy
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Patent number D279490
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Issue date Jul 2, 1985
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Hop Lee Cheong Industrial Co. Ltd.
-
Kai S. Mak
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D21 - Games, toys, and sports goods