Patents Assigned to Alfred Mitchell
  • Floor polishing machines
    Patent number: 4178654
    Abstract: The invention relates to floor polishing machines comprising a rotary brush drive means for the brush and means, such as a fan, for producing an updraught around the periphery of the brush to assist in removing particulate matter from a floor being polished.
    Type: Grant
    Filed: October 26, 1977
    Date of Patent: December 18, 1979
    Assignee: Alfred Mitchell
    Inventor: Alfred Mitchell