Piccardi
{{PatentInfo |Inventor=William I. Ferris |Assignee=William I. Ferris |Country=GB |ApplicationNum=8206/16 |ApplicationDate=1916-06-09 |PatentNum=104980 |PatentDate=1917-03-29 |PriorityDate=1916-06-09 |Titolo=Improvements in Fountain Pens |Marca=Unbrande...