Piccardi
{{PatentInfo |Assignee=A. J. Fagard et Compagnie |Country=GB |ApplicationNum=1506/53 |ApplicationDate=1953-06-01 |PatentNum=728188 |PatentDate=1955-04-13 |PriorityDate=1953-03-30 |Titolo=Improvements in or relating to fountain pens comprising an ink ca...