Piccardi
{{PatentInfo |Inventor=Robert W. Randolph |Assignee=The Parker Pen Company |Country=US |ApplicationNum=616852 |ApplicationDate=1945-09-17 |PatentNum=2427068 |PatentDate=1947-09-09 |PriorityDate=1945-09-17 |Titolo=Ball-point writing instrument |Marca=Pa...