Piccardi
{{PatentInfo |Inventor=Andreas Bienenstein, William Douglas |Assignee=The Conklin Pen Manufacturing Company |Country=US |ApplicationNum=567102 |ApplicationDate=1931-11-05 |PatentNum=1867801 |PatentDate=1932-07-19 |PriorityDate=1931-11-05 |Titolo=Fount...