Piccardi
{{PatentInfo |Inventor=George A. Risk |Assignee=George A. Risk, Abraham Schlosser |Country=US |ApplicationNum=125756 |ApplicationDate=1926-07-29 |PatentNum=1706751 |PatentDate=1929-03-26 |PriorityDate=1926-07-29 |Titolo=Fountain pen |Marca=Unbranded |D...