Piccardi
{{PatentInfo |Inventor=Milton R. Pickus |Assignee=Parker Pen Company |Country=US |ApplicationNum=356045 |ApplicationDate=1940-09-04 |PatentNum=2254975 |PatentDate=1941-09-02 |PriorityDate=1940-09-04 |Titolo=Material for pen tips |Marca=Parker |Descrizi...