Piccardi
{{PatentInfo |Inventor=Joseph F. Day |Assignee=Joseph F. Day |Country=US |ApplicationNum=415721 |ApplicationDate=1920-10-09 |PatentNum=1495890 |PatentDate=1924-05-27 |PriorityDate=1920-10-09 |Titolo=Combined fountain-pen and pencil |Marca=Unbranded |De...