Piccardi
{{PatentInfo |Inventor=Lucius A. Crowell |Assignee=Parker Pen Company |Country=US |ApplicationNum=707088 |ApplicationDate=1934-01-18 |PatentNum=1989351 |PatentDate=1935-01-29 |PriorityDate=1934-01-18 |Titolo=Fountain pen and other marking means |Marca=...