Piccardi
{{PatentInfo |Inventor=Francis C. Brown |Assignee=Francis C. Brown |Country=US |ApplicationNum=489897 |ApplicationDate=1909-04-14 |PatentNum=953316 |PatentDate=1910-03-29 |PriorityDate=1909-04-14 |Titolo=Fountain-pen |Marca=Caw's |Descrizione=Variante ...