Piccardi
{{PatentInfo |Inventor=David Finburgh |Assignee=David Finburgh |Country=GB |ApplicationNum=21179/34 |ApplicationDate=1934-07-19 |PatentNum=418734 |PatentDate=1934-10-30 |PriorityDate=1934-07-19 |Titolo=Improvements in or relating to Fountain Pens |Mar...