Piccardi
{{PatentInfo |Inventor=George Davies |Assignee=The Wyvern Fountain Pen Co. |Country=GB |ApplicationNum=10500/21 |ApplicationDate=1921-04-09 |PatentNum=182234 |PatentDate=1922-07-06 |PriorityDate=1921-04-09 |Titolo=Improvements in and relating to prope...