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of Standard Works, High Wycombe, Bucks. Telephone: High Wycombe 421. Cables: "Hypnos, High Wycombe". Also of Exeter, Devon
1947 British Industries Fair Advert as Manufacturers of "Hypnos" Spring Interior Mattresses, Upholstered Divans, Wood Frame Spring Mattresses, Bedsteads and Fitments, Non-Sprung Mattresses, Pillows, Cushions, etc. Specialists in Tropical Requirements. (Furniture etc. Section - Earls Court, 1st Floor, Stand No. 710) 
1954 Patent - Improvements in or relating to non-reversible mattresses, cushions and the like. 
1958 Patent - Improvements in convertible bed-couches. 
By 1972 was an associate company of G. H. and S. Keen
1985 As Hypnos, at Station Road, Princes Risborough.