Piccardi
{{PatentInfo |Inventor=Frederick W. Heinzman |Assignee=Mabie, Todd & Company Limited |Country=US |ApplicationNum=588594 |ApplicationDate=1925-09-01 |PatentNum=1551601 |PatentDate=1925-09-01 |PriorityDate=1922-09-16 |Titolo=Magazine pencil |Marca=Swan |...