Piccardi
{{PatentInfo |Inventor=August Eberstein |Assignee=August Eberstein, Charles Brandt |Country=US |ApplicationNum=204198 |ApplicationDate=1904-04-21 |PatentNum=764227 |PatentDate=1904-07-05 |PriorityDate=1904-04-21 |Titolo=Fountain pen |Marca=Boston Pen C...