Piccardi
{{PatentInfo |Inventor=Franklin A. Van Sant |Assignee=Franklin A. Van Sant |Country=US |ApplicationNum=299628 |ApplicationDate=1928-08-14 |PatentNum=1746065 |PatentDate=1930-02-04 |PriorityDate=1928-08-14 |Titolo=Fountain-pen attachment |Marca=Unbrand...