Piccardi
{{PatentInfo |Inventor=John S. Barnes |Assignee=John S. Barnes |Country=US |ApplicationNum=292232 |ApplicationDate=1905-12-18 |PatentNum=848620 |PatentDate=1907-04-02 |PriorityDate=1905-12-18 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione=Alimentat...