Piccardi
{{PatentInfo |Inventor=Russel B. Kingman |Assignee=Russel B. Kingman |Country=US |ApplicationNum=2032 |ApplicationDate=1935-01-16 |PatentNum=2024229 |PatentDate=1935-12-17 |PriorityDate=1935-01-16 |Titolo=Soluble ink fountain pen |Marca=Camel |Descr...