Piccardi
{{PatentInfo |Inventor=William I. Ferris |Assignee=William I. Ferris |Country=US |ApplicationNum=817526 |ApplicationDate=1914-02-09 |PatentNum=1143525 |PatentDate=1915-09-21 |PriorityDate=1914-02-09 |Titolo=Dispensing-stopper for ink-bottles |Marca=Wat...