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{{PatentInfo |Inventor=Charles R. Keeran |Assignee=The Wahl Company |Country=US |ApplicationNum=174040 |ApplicationDate=1917-06-11 |PatentNum=1351575 |PatentDate=1920-08-31 |PriorityDate=1917-06-11 |Titolo=Fountain-pen |Marca=Eversharp |Descrizione=Car...