Piccardi
{{PatentInfo |Inventor=Frank B. Wallis |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=621891 |ApplicationDate=1945-10-12 |PatentNum=2474996 |PatentDate=1949-07-05 |PriorityDate=1945-10-12 |Titolo=Fountain pen |Marca=Sheaffer |Descrizi...