Piccardi
{{PatentInfo |Inventor=Richard J. Mansheim |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=59585 |ApplicationDate=1948-11-12 |PatentNum=2557054 |PatentDate=1951-06-12 |PriorityDate=1948-11-12 |Titolo=Writing instrument |Marca=Sheaffer ...