Piccardi
{{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=236272 |ApplicationDate=1887-04-27 |PatentNum=378987 |PatentDate=1888-03-06 |PriorityDate=1887-04-27 |Titolo=Fountain-pen |Marca=Swan |Descrizione=[[Alim...