Piccardi
{{PatentInfo |Inventor=Russel B. Kingman |Assignee=Camel Pen Company |Country=US |ApplicationNum=17801 |ApplicationDate=1935-04-23 |PatentNum=2030452 |PatentDate=1935-02-11 |PriorityDate=1935-04-23 |Titolo=Soluble ink fountain pen |Marca=Camel |Desc...