Piccardi
{{PatentInfo |Inventor=William O. Ponath |Assignee=Eagle Pencil Company |Country=US |ApplicationNum=89099 |ApplicationDate=1939-12-23 |PatentNum=D119006 |PatentDate=1940-02-13 |PriorityDate=1939-12-23 |Titolo=Design for a mechanical pencil |Marca=Eagle...