Piccardi
{{PatentInfo |Inventor=Arthur W. Schoneberger |Assignee=Arthur W. Schoneberger |Country=US |ApplicationNum=87247 |ApplicationDate=1936-06-25 |PatentNum=2108552 |PatentDate=1938-02-15 |PriorityDate=1936-06-25 |Titolo=Fountain pen |Marca=Unbranded |Desc...