Piccardi
{{PatentInfo |Assignee=Eric Ernest Samuel Wade |Country=GB |ApplicationNum=22169/38 |ApplicationDate=1938-07-26 |PatentNum=517388 |PatentDate=1940-01-29 |PriorityDate=1938-07-26 |Titolo=Improvements relating to Fountain Pens |Marca=Lang - Curzon - Summ...