| Description | Letters Patent No. 411,255 dated 23rd March 1943, issued to Arthur Frederick Oatley of Deepfields, England, by the Dominion of Canada, for 'improvements in the Heating of Ovens and Hot Chambers of Gas Heated Cooking Apparatus'; Letters Patent No. 421,380 dated 11th July 1944, issued to Arthur Frederick Oatley of Deepfields, England, by the Dominion of Canada, for 'improvements in Burners and Hot Plates for Gas Fired Cooking Apparatus'; reports of working for the two patents; articles and advertisements re: the patents, taken from The Globe and Mail and The Gazette, Montreal (Canadian newspapers); correspondence with the Patent and Copyright Office, Canada; and with Barker, Brettell & Duncan, Chartered Patent Agents, Birmingham. |