Piccardi
{{PatentInfo |Inventor=Gabriel Larsen |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=662423 |ApplicationDate=1933-03-24 |PatentNum=1967580 |PatentDate=1934-07-24 |PriorityDate=1933-03-24 |Titolo=Pump |Marca=Waterman |Descrizione=Sistema d...