Piccardi
{{PatentInfo |Inventor=Donald D. Mungen, Robert Back |Assignee=The Wahl Company |Country=US |ApplicationNum=128736 |ApplicationDate=1926-08-26 |PatentNum=1787406 |PatentDate=1930-12-30 |PriorityDate=1926-08-26 |Titolo=Fountain pen |Marca=Eversharp |Des...