Piccardi
{{PatentInfo |Inventor=Walter A. Sheaffer |Assignee=Walter A. Sheaffer |Country=US |ApplicationNum=418748 |ApplicationDate=1908-03-02 |PatentNum=896861 |PatentDate=1908-08-25 |PriorityDate=1908-03-02 |Titolo=Fountain-pen |Marca=Sheaffer |Descrizione=[[...