Piccardi
{{PatentInfo |Inventor=Frederick D. Hammons |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=88768 |ApplicationDate=1926-02-17 |PatentNum=1641846 |PatentDate=1927-09-06 |PriorityDate=1926-02-17 |Titolo=Fountain-pen desk set |Marca=Sheaf...