Piccardi
{{PatentInfo |Inventor=William I. Ferris |Assignee=William I. Ferris |Country=US |ApplicationNum=616901 |ApplicationDate=1896-12-24 |PatentNum=578054 |PatentDate=1897-03-02 |PriorityDate=1896-12-24 |Titolo=Fountain-pen |Marca=Waterman |Descrizione=Cari...