| Description | Letters Patent No. 115,358, dated 25th September 1941 issued to Cannon Iron Foundries Ltd. by the Department of Patents, Commonwealth of Australia, for 'Burners and hot plates for gas fired cooking apparatus'; Letters Patent No. 116,949, dated 13th January 1942, issued to Cannon Iron Foundries Ltd. by the Department of Patents, Commonwealth of Australia, for 'Improvements relating to ovens and hot chambers of gas heated cooking apparatus'; correspondence with Barker, Brettell & Duncan, Chartered Patent Agents, Birmingham. |