Piccardi
{{PatentInfo |Inventor=August Eberstein |Assignee=August Eberstein, Charles Brandt |Country=US |ApplicationNum=214084 |ApplicationDate=1904-06-25 |PatentNum=750271 |PatentDate=1904-08-23 |PriorityDate=1904-06-25 |Titolo=Fountain-pen |Marca=Boston Pen |...