Piccardi
{{PatentInfo |Inventor=Clinton E. Marshall |Assignee=Clinton E. Marshall |Country=US |ApplicationNum=332687 |ApplicationDate=1929-01-15 |PatentNum=1719895 |PatentDate=1929-07-09 |PriorityDate=1929-01-15 |Titolo=Clip |Marca=Unbranded |Descrizione=Fermag...