Piccardi
{{PatentInfo |Inventor=Gerald L. Bassett |Assignee=The Conklin Pen Manufacturing Company |Country=US |ApplicationNum=531568 |ApplicationDate=1931-04-20 |PatentNum=1903022 |PatentDate=1933-03-28 |PriorityDate=1931-04-20 |Titolo=Plunger type pen |Marca=C...