Piccardi
{{PatentInfo |Inventor=Theodor Kovacs |Assignee=Theodor Kovacs |Country=US |ApplicationNum=92807 |ApplicationDate=1926-03-06 |PatentNum=1661225 |PatentDate=1928-03-06 |PriorityDate=1925-03-03 |Titolo=Fountain pen |Marca=Pelikan |Descrizione=Meccanismo ...