Piccardi
{{PatentInfo |Inventor=George Davies |Assignee=The Wyvern Fountain Pen Co. |Country=GB |ApplicationNum=17213/19 |ApplicationDate=1919-07-09 |PatentNum=151753 |PatentDate=1920-10-07 |PriorityDate=1919-07-09 |Titolo=Improvements in and relating to the f...