Piccardi
{{PatentInfo |Inventor=Edward Stephen Sears |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=9937/54 |ApplicationDate=1952-05-01 |PatentNum=729729 |PatentDate=1955-05-11 |PriorityDate=1952-05-01 |Titolo=Improvements in Nib-Sections f...