Piccardi
{{PatentInfo |Inventor=Joseph F. Betzler |Assignee=Joseph F. Betzler |Country=US |ApplicationNum=253619 |ApplicationDate=1905-04-03 |PatentNum=799297 |PatentDate=1905-09-12 |PriorityDate=1905-04-03 |Titolo=Fountain-pen |Marca=Laughlin |Descrizione=Sist...