Piccardi
{{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=719255 |ApplicationDate=1924-06-11 |PatentNum=1613812 |PatentDate=1927-01-11 |PriorityDate=1924-06-11 |Titolo=Pen and nib and method of producing same |Marca=Eve...