Piccardi
{{PatentInfo |Inventor=John Holland |Assignee=John Holland |Country=US |ApplicationNum=301551 |ApplicationDate=1906-02-17 |PatentNum=821940 |PatentDate=1906-05-29 |PriorityDate=1906-02-17 |Titolo=Fountain-pen |Marca=Holland |Descrizione=Caricamento di ...