Piccardi
{{PatentInfo |Inventor=Gabriel Larsen |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=561613 |ApplicationDate=1922-05-17 |PatentNum=1511225 |PatentDate=1924-10-14 |PriorityDate=1922-05-17 |Titolo=Pencil |Marca=Waterman |Descrizione=Matita ...