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{{PatentInfo |Inventor=Roy Conklin |Assignee=Roy Conklin |Country=US |ApplicationNum=253393 |ApplicationDate=1905-04-05 |PatentNum=799777 |PatentDate=1905-09-19 |PriorityDate=1905-04-05 |Titolo=Self-filling fountain-pen |Marca=Conklin |Descrizione=Sist...