Piccardi
{{PatentInfo |Inventor=Frederick R. Wittnebert |Assignee=The Parker Pen Company |Country=US |ApplicationNum=338823 |ApplicationDate=1953-02-25 |PatentNum=2726639 |PatentDate=1955-12-13 |PriorityDate=1953-02-25 |Titolo=Fountain pen |Marca=Parker |Descri...