Piccardi
{{PatentInfo |Inventor=David J. La France |Assignee=Carter's Ink Company |Country=US |ApplicationNum=415427 |ApplicationDate=1929-12-20 |PatentNum=1845293 |PatentDate=1932-02-16 |PriorityDate=1929-12-20 |Titolo=Pencil |Marca=Carter |Descrizione=Matita ...