Piccardi
{{PatentInfo |Inventor=George Steward Vivian |Assignee=T. B. Ford Limited |Country=GB |ApplicationNum=10119/31 |ApplicationDate=1931-04-02 |PatentNum=375457 |PatentDate=1932-06-30 |PriorityDate=1931-04-02 |Titolo=Improvements in Reservoir Fountain Pens...