Piccardi
{{PatentInfo |Inventor=Theodor Kovacs |Assignee=Theodor Kovacs |Country=US |ApplicationNum=352027 |ApplicationDate=1929-04-06 |PatentNum=1750410 |PatentDate=1930-03-11 |PriorityDate=1928-04-11 |Titolo=Reservoir pen |Marca=Pelikan |Descrizione=Alimentat...