of Proctor Works, Byfleet, Surrey.
by 1960 presumably owned Britax (London)
1961 Mr O. A. Proctor acquired Excelsior Motor Co which had been a publically traded company, so presumably Proctor Industries was transferred to Excelsior.
1961 Attracted by the news of the development of the safety belt, public relations expert Peter Easton contacted Oscar Proctor, marking the start of a long business relationship
By 1967 Britax (London) and Proctor Industries were owned by Excelsior Motor Co; O. A. Proctor was chairman of Excelsior
c.1968 The name of Excelsior Motor Co was changed to Britax Excelsior Ltd; subsidiary companies were Britax (London), P. M. G. Thorpe, Notek Electric Co and Proctor Industries 
Sources of Information
- ↑ The Times Oct. 24, 1961
- ↑ The Times Jan. 28, 1969
- ↑ The Times Jan. 11, 1968
- ↑ The Times Jan. 8, 1969