Piccardi
{{PatentInfo |Inventor=Wilbur K. Olson |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=398185 |ApplicationDate=1941-06-16 |PatentNum=2314551 |PatentDate=1943-03-23 |PriorityDate=1941-06-16 |Titolo=Fountain pen |Marca=Sheaffer |Descrizi...