Piccardi
{{PatentInfo |Inventor=Theodor Kovacs |Assignee=Theodor Kovacs |Country=US |ApplicationNum=437874 |ApplicationDate=1921-01-17 |PatentNum=1544161 |PatentDate=1925-06-30 |PriorityDate=1921-01-17 |Titolo=Drawing-pen nib, more particularly for fountain pen...