Piccardi
{{PatentInfo |Inventor=Rockel Alexander Fritsch |Assignee=Rockel Alexander Fritsch |Country=US |ApplicationNum=184014 |ApplicationDate=1927-04-15 |PatentNum=1720471 |PatentDate=1929-07-09 |PriorityDate=1927-04-15 |Titolo=Attaching clip |Marca=Unbrand...