Piccardi
{{PatentInfo |Inventor=Juelss David |Assignee=American Lead Pencil Company |Country=US |ApplicationNum=569959 |ApplicationDate=1944-12-27 |PatentNum=2393251 |PatentDate=1946-01-22 |PriorityDate=1944-12-27 |Titolo=Fountain pen |Marca=Venus |Descrizione=...