Piccardi
{{PatentInfo |Inventor=Theodor Kovacs |Assignee=Theodor Kovacs |Country=US |ApplicationNum=720431 |ApplicationDate=1924-06-16 |PatentNum=1558553 |PatentDate=1925-10-27 |PriorityDate=1924-06-16 |Titolo=Fountain pen |Marca=Pelikan |Descrizione=Prototipo ...