US Patent D920582 Sport helmet
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Patent Inventor Names
Xudong Chen0
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US Patent D0920582 Sport helmet US Patent D920582 Sport helmet
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Patent Number
D09205820
Patent Number
D9205820
Edits on 22 Sep, 2022
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Patent Jurisdiction
Patent Number
D09205820
Date of Patent
May 25, 2021
0Patent Application Number
297092990
Date Filed
October 13, 2019
0Official Website
Patent Primary Examiner
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US Patent D0920582 Sport helmet
Infobox
Is a
Patent jurisdiction
Patent number
D0920582
Date of patent
May 25, 2021
Patent application number
29709299
Date Filed
October 13, 2019
Patent primary examiner
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