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Kant Tang
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Taipei, TW
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last 30 patents
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Patent Grant
Sports helmet
Patent number
D415593
Issue date
Oct 19, 1999
Hopus Technology Inc.
Kant Tang
D29 - Equipment for safety, protection, and rescue
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Patent Grant
Safety helmet for sports
Patent number
D412766
Issue date
Aug 10, 1999
Hopus Technology Inc.
Kant Tang
D29 - Equipment for safety, protection, and rescue