Piccardi
{{PatentInfo |Inventor=David Kahn, John W. Para |Assignee=David Kahn Inc. |Country=US |ApplicationNum=468536 |ApplicationDate=1942-10-10 |PatentNum=2365473 |PatentDate=1944-12-19 |PriorityDate=1942-10-10 |Titolo=Writing instrument assemblage |Marca=We...