Piccardi
{{PatentInfo |Inventor=Johannes Iversen |Assignee=Johannes Iversen |Country=GB |ApplicationNum=35817/36 |ApplicationDate=1936-12-31 |PatentNum=466012 |PatentDate=1937-05-20 |PriorityDate=1936-06-09 |Titolo=Improved fountain pen |Marca=Miller Pen Co. |D...