Piccardi
{{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=374678 |ApplicationDate=1890-12-15 |PatentNum=478653 |PatentDate=1892-07-12 |PriorityDate=1890-12-15 |Titolo=Fountain-pen |Marca=Swan |Descrizione=Alimen...