Piccardi
{{PatentInfo |Inventor=William S. Hicks |Assignee=William S. Hicks |Country=US |ApplicationNum=122169 |ApplicationDate=1871-12-26 |PatentNum=122169 |PatentDate=1871-12-26 |PriorityDate=1871-12-26 |Titolo=Improvement in pen-and-pencil cases |Marca=Hicks...