Piccardi
{{PatentInfo |Inventor=Theodor Kovacs |Assignee=Theodor Kovacs |Country=US |ApplicationNum=441586 |ApplicationDate=1930-04-04 |PatentNum=1812536 |PatentDate=1931-06-30 |PriorityDate=1929-04-09 |Titolo=Clip for securing articles to cloth |Marca=Pelikan ...