Piccardi
{{PatentInfo |Inventor=Robert Back |Assignee=The Wahl Company |Country=US |ApplicationNum=630261 |ApplicationDate=1932-08-24 |PatentNum=1916199 |PatentDate=1933-07-04 |PriorityDate=1932-08-24 |Titolo=Writing implement |Marca=Eversharp |Descrizione=Mi...