Lenson Engineering Co

of Thurmaston, Leicester.
1957 Made its first appearance at the British Industries Fair, displaying mobile step ladders and working platforms The firm was in the process of moving into larger premises[1]
1963 Mobile Step Ladders, Working Platforms, Trolleys and Steps Unit Trestles
1965 Leonard Evans and Leonard Ronald Lacey Evans, trading as Lenson Engineeing Co, patented "Improvements in or relating to Mobile Lifts or Elevators"
1969 Lenson Engineering Co, Churchill Road, Thurmaston.[2]