US Patent D853652 Safety helmet
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Patent Inventor Names
Chang-Hsien Ho0
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US Patent D0853652 Safety helmet US Patent D853652 Safety helmet
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Patent Number
D08536520
Patent Number
D8536520
Edits on 24 Sep, 2022
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Patent Jurisdiction
Patent Number
D08536520
Date of Patent
July 9, 2019
0Patent Application Number
296152310
Date Filed
August 28, 2017
0Official Website
Patent Primary Examiner
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US Patent D0853652 Safety helmet
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Is a
Patent jurisdiction
Patent number
D0853652
Date of patent
July 9, 2019
Patent application number
29615231
Date Filed
August 28, 2017
Patent primary examiner
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