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{{PatentInfo |Inventor=William George Albert Mckay |Assignee=Sengbusch Self-Closing Inkstand Company |Country=US |ApplicationNum=245817 |ApplicationDate=1938-12-15 |PatentNum=2179727 |PatentDate=1939-11-14 |PriorityDate=1938-12-15 |Titolo=Writing Pen...
{{PatentInfo
|Inventor=William George Albert Mckay
|Assignee=Sengbusch Self-Closing Inkstand Company
|Country=US
|ApplicationNum=245817
|ApplicationDate=1938-12-15
|PatentNum=2179727
|PatentDate=1939-11-14
|PriorityDate=1938-12-15
|Titolo=Writing Pen
|Marca=Unbranded
|Descrizione=Stiloforo ad intinzione
}}
==Informazioni==
Brevetto per uno stiloforo ad intinzione. {{MentionPatent|US|1767189}} e {{MentionPatent|US|1915338}}.

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