Piccardi
{{PatentInfo |Inventor=Edward Stephen Sears |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=511/32 |ApplicationDate=1932-01-07 |PatentNum=390585 |PatentDate=1933-04-13 |PriorityDate=1932-01-07 |Titolo=Improvements in, or relating to...