Piccardi
{{PatentInfo |Inventor=William J. Lilly |Assignee=William J. Lilly |Country=US |ApplicationNum=562867 |ApplicationDate=1922-05-22 |PatentNum=1486973 |PatentDate=1924-03-18 |PriorityDate=1922-05-22 |Titolo=Lettering pen |Marca=Unbranded |Descrizione=Pe...