Piccardi
{{PatentInfo |Inventor=Richard J. Mansheim |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=540982 |ApplicationDate=1955-11-17 |PatentNum=2942576 |PatentDate=1960-06-28 |PriorityDate=1955-11-17 |Titolo=Writing implement |Marca=Sheaffer ...