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{{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=563594 |ApplicationDate=1922-05-26 |PatentNum=1567824 |PatentDate=1925-12-29 |PriorityDate=1922-05-26 |Titolo=Fountain pen |Marca=Eversharp |Descrizione=Montaggi...