Piccardi
{{PatentInfo |Inventor=David J. La France, William P. De Witt |Assignee=De Witt - La France Co. |Country=US |ApplicationNum=244351 |ApplicationDate=1918-07-11 |PatentNum=1340277 |PatentDate=1920-05-18 |PriorityDate=1918-07-11 |Titolo=Fountain-pen |Marc...