Piccardi
{{PatentInfo |Inventor=Sydney E. Longmaid |Assignee=The Esterbrook Pen Company |Country=US |ApplicationNum=519954 |ApplicationDate=1944-01-27 |PatentNum=2430023 |PatentDate=1947-11-04 |PriorityDate=1944-01-27 |Titolo=Writing implement |Marca=Esterbrook...