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Xinwei Yan
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Houston, TX, US
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last 30 patents
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Patent Grant
Apparatus for near simultaneous chemiluminescent sulfur and nitroge...
Patent number
6,143,245
Issue date
Nov 7, 2000
Antek Instruments, Inc.
Xinwei Yan
G01 - MEASURING TESTING
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Patent Grant
Methods for near simultaneous chemiluminescent sulfur and nitrogen...
Patent number
5,916,523
Issue date
Jun 29, 1999
Antek Instruments, Inc.
Xinwei Yan
G01 - MEASURING TESTING