Piccardi
{{PatentInfo |Inventor=David J. La France |Assignee=David J. La France |Country=US |ApplicationNum=452643 |ApplicationDate=1930-03-15 |PatentNum=1807415 |PatentDate=1931-05-26 |PriorityDate=1930-03-15 |Titolo=Fountain pen |Marca=De Witt-La France |Desc...