Piccardi
{{PatentInfo |Inventor=Eduard Penkala |Assignee=Eduard Penkala |Country=GB |ApplicationNum=190812001 |ApplicationDate=1908-06-02 |PatentNum=190812001 |PatentDate=1908-08-27 |PriorityDate=1908-06-02 |Titolo=Improvements in and relating to Ink-stands |Ma...