Piccardi
{{PatentInfo |Inventor=Jean-Marie Cavaillé |Assignee=Jean-Marie Cavaillé |Country=GB |ApplicationNum=25362/20 |ApplicationDate=1920-09-02 |PatentNum=169616 |PatentDate=1921-10-06 |PriorityDate=1920-08-14 |Titolo=Improvements in fountain pens |Marca=U...