Piccardi
{{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=188335 |ApplicationDate=1917-08-27 |PatentNum=1351591 |PatentDate=1920-08-31 |PriorityDate=1917-08-27 |Titolo=Fountain-pen |Marca=Eversharp |Descrizione=Variante...