Blundell Brothers (Luton)
of Chaul End Lane, Luton, Beds. Telephone: Luton 3976 and 4294. Cables: "Blundell, Luton"
- 1929 Patent - Improvements in or relating to dyeing machinery. 
- 1944 Patent - Improvements in or relating to drilling, reaming, tapping, screwing and like machine tools. 
- 1947 Listed Exhibitor - British Industries Fair. Manufacturers of Slide Rules and Rulers of Exceptional Accuracy and Durability made of Unbreakable Laminated Phenol-Formaledehyde surfaced with Stoved Enamel with Engraved Divisions. (Olympia, 1st Floor, Stand No. G.2099e)