Piccardi
{{PatentInfo |Inventor=Herbert L. Carman |Assignee=Mabie, Todd & Company |Country=US |ApplicationNum=392324 |ApplicationDate=1920-06-28 |PatentNum=1489590 |PatentDate=1924-04-08 |PriorityDate=1920-06-28 |Titolo=Magazine pencil |Marca=Swan |Descrizione=...