Piccardi
{{PatentInfo |Inventor=Russel B. Kingman |Assignee=Russel B. Kingman |Country=US |ApplicationNum=750124 |ApplicationDate=1934-10-26 |PatentNum=2025110 |PatentDate=1935-12-24 |PriorityDate=1934-10-26 |Titolo=Soluble ink fountain pen |Marca=Camel |Desc...