| Description | Letters Patent No. 17,786 for 'Improvements in or relating to gas fires' issued to Thomas Ward, Works Manager of Cannon Iron Foundries Ltd., Morrison Coulson of London, Agent, and Richard Clayton, Manufacturer of the Cannon Iron Foundries Ltd.; provisional specification for the same patent with diagram; report for the Cannon Hollow-ware Co. Ltd. by W.F. Thompson & Co. on Patent No.s 2979 - Spreadbury's invention re: open register grates, and no.17,786.The report states that patent no. 2979 does not infringe patent no. 17,786. |