Piccardi
{{PatentInfo |Inventor=William T. Fitzpatrick |Assignee=William T. Fitzpatrick |Country=US |ApplicationNum=322436 |ApplicationDate=1919-09-08 |PatentNum=1347901 |PatentDate=1920-07-27 |PriorityDate=1919-09-08 |Titolo=Retarded delivery device for founta...