Piccardi
{{PatentInfo |Inventor=David Kahn |Assignee=David Kahn |Country=US |ApplicationNum=36707 |ApplicationDate=1930-08-20 |PatentNum=D084146 |PatentDate=1931-05-12 |PriorityDate=1930-08-20 |Titolo=Design for a fountain pen |Marca=Wearever |Descrizione=Corpo...