Piccardi
{{PatentInfo |Inventor=David Kahn |Assignee=David Kahn |Country=US |ApplicationNum=111356 |ApplicationDate=1943-10-14 |PatentNum=D138346 |PatentDate=1944-07-18 |PriorityDate=1943-10-14 |Titolo=Design for a fountain pen |Marca=Wearever |Descrizione=Corp...