| Description | Letters Patent No. 12,578 issued to Richard Clayton, Managing Director of the Cannon Hollow-ware Company Ltd. of Deepfields, for improvements in lids for culinary utensils such as saucepans, stew pans, oval pots, and kettles. Also, specification for the patent; letter to Stephen Watkins, Office for Patents and the Registration of Designs and Trade Marks, Wolverhampton, about the discontinuation of the Patent in 1893 |