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{{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=575320 |ApplicationDate=1922-07-15 |PatentNum=1624194 |PatentDate=1927-04-12 |PriorityDate=1922-07-15 |Titolo=Fountain pen |Marca=Eversharp |Descrizione=Variante...