Piccardi
{{PatentInfo |Inventor=Galen H. Sayler |Assignee=The Parker Pen Company |Country=US |ApplicationNum=14812 |ApplicationDate=1947-03-03 |PatentNum=2528390 |PatentDate=1950-10-31 |PriorityDate=1948-03-13 |Titolo=Writing inks |Marca=Parker |Descrizione=Inc...