Piccardi
{{PatentInfo |Inventor=Russel B. Kingman |Assignee=Camel Pen Company |Country=US |ApplicationNum=655718 |ApplicationDate=1933-02-08 |PatentNum=1912774 |PatentDate=1933-06-06 |PriorityDate=1933-02-08 |Titolo=Soluble ink fountain pen |Marca=Camel |Des...