Piccardi
{{PatentInfo |Inventor=John Estabrook Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=118888 |ApplicationDate=1926-06-28 |PatentNum=1791776 |PatentDate=1931-02-10 |PriorityDate=1926-06-28 |Titolo=Device for operating on nibs |Marca=Evershar...