Patents Assigned to M & S Systems, Inc.
  • Patent number: 4972544
    Abstract: A positive displacement air motor providing power to a rotating brush, brush agitator, or flexible blades for use in cleaning carpets, tile or wooden floors, upholstery, and drapes, allowing such air powered cleaning device to completely function with only the air provided by a vacuum cleaning motor or system.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: November 27, 1990
    Assignee: M & S Systems, Inc.
    Inventor: William J. Reid