Piccardi
{{PatentInfo |Inventor=David Kahn, Mack Seyforth |Assignee=David Kahn Inc |Country=US |ApplicationNum=191782 |ApplicationDate=1938-02-21 |PatentNum=2208460 |PatentDate=1940-07-16 |PriorityDate=1938-02-21 |Titolo=Pen point and method of making the same...