Piccardi
{{PatentInfo |Inventor=William F. Duryea |Assignee=William F. Duryea |Country=US |ApplicationNum=126866 |ApplicationDate=1916-10-16 |PatentNum=1236069 |PatentDate=1917-08-07 |PriorityDate=1916-10-16 |Titolo=Magazine pencil |Marca=Salz |Descrizione=Mati...