Piccardi
{{PatentInfo |Inventor=Frederick R. Wittnebert, Raymond L. Spaulding, Ray A. Lawton |Assignee=The Parker Pen Company |Country=US |ApplicationNum=542224 |ApplicationDate=1959-01-15 |PatentNum=2935044 |PatentDate=1960-05-03 |PriorityDate=1959-01-15 |Tito...