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Boon Keng Sim
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Singapore, SG
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last 30 patents
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Patent Grant
Display stand
Patent number
D806170
Issue date
Dec 26, 2017
Botak Sign Pte Ltd
Boon Keng Sim
D20 - Sales and advertising equipment
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Patent Grant
Snap frame
Patent number
D684379
Issue date
Jun 18, 2013
Botak Sign Pte Ltd
Boon Keng Sim
D06 - Furnishings