The Franklin Dennison mentioned in the article, in the 1901 census, was 47 and born in Boston, USA. He had a son Andrew Dennison (11). They were living at Roxbury, Church Lane, Handsworth and entered as a watch case maker.
By 1960 the Dennison Watch And Case Co. was referred to as Soho Hill. At the death of David Lee Dennison, in May 1963, the Dennison Watch and Case Co. was one of the subsidiaries of Denbro Ltd. Soho Hill
A report in August 1967 says Denbro underwent changes, with Andrew L Dennison remaining on the Board. Denbro Group had been founded in 1936, and Dennison Watch Case Co in 1894 by Aaron L Dennison.
In 1968 Denbro formed a link with Igniters Ltd, specialists in torch ignite systems for large oil and gas burners in power stations and kilns.