Piccardi
{{PatentInfo |Inventor=Charles Gerald Stephens, Frank Carr Fincham |Assignee=Harry C. Stephens Limited |Country=GB |ApplicationNum=27342/26 |ApplicationDate=1926-11-01 |PatentNum=284412 |PatentDate=1928-02-01 |PriorityDate=1926-11-01 |Titolo=Improvemen...