Piccardi
{{PatentInfo |Inventor=Arthur O. Dahlberg |Assignee=Arthur O. Dahlberg |Country=US |ApplicationNum=575043 |ApplicationDate=1945-01-09 |PatentNum=2417861 |PatentDate=1947-03-25 |PriorityDate=1945-01-09 |Titolo=Fountain pen |Marca=Parker |Modello=Parker ...