Piccardi
{{PatentInfo |Inventor=Paul E. Wirt |Assignee=Paul E. Wirt |Country=US |ApplicationNum=67947 |ApplicationDate=1901-07-12 |PatentNum=706140 |PatentDate=1902-08-05 |PriorityDate=1901-07-12 |Titolo=Fountain-pen |Marca=Wirt |Descrizione=Alimentatore }} ==I...