Piccardi
{{PatentInfo |Inventor=William Tonkowich |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=218145 |ApplicationDate=1951-03-29 |PatentNum=2770221 |PatentDate=1956-11-13 |PriorityDate=1951-03-29 |Titolo=Fountain pen |Marca=Waterman |Descrizio...