Piccardi
{{PatentInfo |Inventor=Richard J. Mansheim |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=642176 |ApplicationDate=1957-02-25 |PatentNum=2919677 |PatentDate=1960-01-05 |PriorityDate=1957-02-25 |Titolo=Writing instrument |Marca=Sheaffer...