Piccardi
{{PatentInfo |Inventor=Mark Sydney Finburgh |Assignee=Mark Sydney Finburgh |Country=GB |ApplicationNum=13879/34 |ApplicationDate=1934-05-08 |PatentNum=416648 |PatentDate=1934-09-18 |PriorityDate=1934-05-08 |Titolo=Improvements in fountain pens |Marca=...