Piccardi
{{PatentInfo |Inventor=Francis W. Vaughn Jr. |Assignee=Francis W. Vaughn Jr. |Country=GB |ApplicationNum=191116434 |ApplicationDate=1911-07-17 |PatentNum=191116434 |PatentDate=1911-11-23 |PriorityDate=1910-08-05 |Titolo=Improvements in Fountain Pens |M...