Piccardi
{{PatentInfo |Inventor=Arthur Winter |Assignee=Arthur Winter |Country=US |ApplicationNum=54978 |ApplicationDate=1935-12-18 |PatentNum=2078433 |PatentDate=1937-04-27 |PriorityDate=1935-12-18 |Titolo=Lead feeding pencil |Marca=Dictator |Descrizione=Mati...