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Charles Weston and Company Limited of Torrington Avenue, Coventry
of Irwell Park Works, Douglas Green, Pendleton, Salford.
1932 Private company. Manufacturer of rubber, mechanical and leather seals.
1937 Oil sealing engineers. 
1939 See Aircraft Industry Suppliers
1945 Advert for oil seals. (of Torrington Avenue, Coventry) 
1961 Manufacturers of "Weston Oil Seals" leather and synthetic rubber seals and "Gitseals". 500 employees. 
1963 Motor Show exhibitor. Weston oil filters, seals etc. 
1973 Weston Seals (see advert)
1976 J. H. Fenner and Co. Limited acquired Charles Weston & Co., merging it with their existing Pioneer Oilsealing and Moulding Co. division, an established manufacture of high volume water pump and rubber seals predominately for the automotive sector.
The merged company was called Pioneer Weston.