Piccardi
{{PatentInfo |Inventor=John G. Liddel |Assignee=John G. Liddel |Country=US |ApplicationNum=377388 |ApplicationDate=1929-07-11 |PatentNum=1809416 |PatentDate=1931-06-09 |PriorityDate=1929-07-11 |Titolo=Fountain pen |Marca=Unbranded |Descrizione=Pennino ...