US Patent 10639927 Knock type pen
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Patent Number
106399270
Date of Patent
May 5, 2020
0Patent Application Number
162007520
Date Filed
November 27, 2018
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Patent Jurisdiction
Patent Number
106399270
Date of Patent
May 5, 2020
0Patent Application Number
162007520
Date Filed
November 27, 2018
0Official Website
Patent Citations
Patent Primary Examiner
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US Patent 10639927 Knock type pen
Infobox
Is a
Patent jurisdiction
Patent number
10639927
Date of patent
May 5, 2020
Patent application number
16200752
Date Filed
November 27, 2018
Patent citations
Patent primary examiner
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