Piccardi
{{PatentInfo |Inventor=De Witt C. Van Valer |Assignee=Modern Pen Company |Country=US |ApplicationNum=678275 |ApplicationDate=1912-02-17 |PatentNum=1151980 |PatentDate=1915-08-31 |PriorityDate=1912-02-17 |Titolo=Fountain-pen |Marca=A. A. Waterman |Descr...