Piccardi
{{PatentInfo |Inventor=Benjamin J. Title |Assignee=Benjamin J. Title |Country=US |ApplicationNum=281330 |ApplicationDate=1928-05-28 |PatentNum=1702954 |PatentDate=1929-02-19 |PriorityDate=1928-05-28 |Titolo=Pencil attachment |Marca=Unbranded |Descrizio...