Piccardi
{{PatentInfo |Inventor=William R. Cuthbert, William H. Lindemon |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=546280 |ApplicationDate=1922-03-24 |PatentNum=1507782 |PatentDate=1927-12-20 |PriorityDate=1922-03-24 |Titolo=Pencil |Marca...