US Patent D752821 Football helmet
Patent D752821 was granted and assigned to Riddell on March, 2016 by the United States Patent and Trademark Office.
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Patent Inventor Names
Vittorio Bologna0
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US Patent D0752821 Football helmet US Patent D752821 Football helmet
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Patent Number
D0752821
Patent Number
D752821
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US Patent D0752821 Football helmet
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Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
D0752821
Date of patent
March 29, 2016
Patent application number
29481974
Date Filed
February 12, 2014
Patent primary examiner
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