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{{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=564070 |ApplicationDate=1922-05-27 |PatentNum=1586541 |PatentDate=1926-06-01 |PriorityDate=1922-05-27 |Titolo=Fountain pen |Marca=Eversharp |Descrizione=Montaggi...