Piccardi
{{PatentInfo |Inventor=Theodor Kovacs |Assignee=Theodor Kovacs |Country=US |ApplicationNum=410030 |ApplicationDate=1920-09-13 |PatentNum=1426200 |PatentDate=1922-08-15 |PriorityDate=1920-05-28 |Titolo=Fountain pen |Marca=Pelikan |Descrizione=Prototipo ...