Piccardi
{{PatentInfo |Assignee=Montblanc-Simplo G.m.b.H. |Country=GB |ApplicationNum=4019/38 |ApplicationDate=1938-02-09 |PatentNum=502381 |PatentDate=1939-03-16 |PriorityDate=1937-04-02 |Titolo=Improvements in and relating to fountain pens |Marca=Montblanc |D...