Piccardi
{{PatentInfo |Inventor=Francis C. Brown |Assignee=Francis C. Brown |Country=US |ApplicationNum=440791 |ApplicationDate=1908-06-29 |PatentNum=846547 |PatentDate=1910-02-22 |PriorityDate=1908-06-29 |Titolo=Fountain-pen |Marca=Caw's |Descrizione=Variante ...