Piccardi
{{PatentInfo |Inventor=Oscar B. Hjorth |Assignee=The Parker Pen Company |Country=US |ApplicationNum=585815 |ApplicationDate=1922-09-01 |PatentNum=1486246 |PatentDate=1924-03-11 |PriorityDate=1922-09-01 |Titolo=Fountain pen |Marca=Parker |Descrizione=Ca...