Piccardi
{{PatentInfo |Inventor=Herman K. Stempel, Samuel L. Daugherty |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=144384 |ApplicationDate=1937-05-24 |PatentNum=2113633 |PatentDate=1938-04-12 |PriorityDate=1937-05-24 |Titolo=Fountain pen |M...