Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,502 pages of information and 233,941 images on early companies, their products and the people who designed and built them.
1982 Acquired the rights to the "Denver Boot" wheel clamp from a competitor in Scunthorpe
1983 The Metropolitan Police decided to use the wheel clamp as a deterrent to illegal parking
1992 of Marsh Road, Middlesbrough, maker of vehicle wheel clamp