Piccardi
{{PatentInfo |Inventor=William I. Ferris |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=19913 |ApplicationDate=1915-04-08 |PatentNum=1154498 |PatentDate=1915-09-21 |PriorityDate=1915-04-08 |Titolo=Gold pen |Marca=Waterman |Descrizione=Lav...