Piccardi
{{PatentInfo |Inventor=David J. La France, William P. De Witt |Assignee=De Witt La France Co. |Country=US |ApplicationNum=233692 |ApplicationDate=1918-05-10 |PatentNum=1300849 |PatentDate=1919-04-15 |PriorityDate=1918-05-10 |Titolo=Fountain-pen |Marca=...