US Patent D776257 Personal respiratory protection device
Patent D776257 was granted and assigned to 3M on January, 2017 by the United States Patent and Trademark Office.
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Patent Citations Received
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Patent Inventor Names
Dean M. Remer0
Yonas Gebrewold0
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US Patent D0776257 Personal respiratory protection device US Patent D776257 Personal respiratory protection device
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Patent Number
D0776257
Patent Number
D776257
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Official Website
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US Patent D0776257 Personal respiratory protection device
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Is a
Current assignee
Patent jurisdiction
Patent number
D0776257
Date of patent
January 10, 2017
Patent application number
29233051
Date Filed
June 27, 2005
Patent primary examiner
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