Description | Letters Patent No. 410,332, dated 21st June 1933, issued to Cannon Iron Foundries Ltd. of Bilston, Staffordshire, with Richard Talbot Clayton and Wilfred Eric Benton, both of the same Company, for 'improvements in or relating to grilling devices for gas cookers and the like'; provisional specification for the same patent; correspondence with The Patent Office, London, and with Barker, Brettell and Duncan, Chartered Patent Agents, Birmingham. |