Patents Assigned to Interface Service Management, Inc.
  • Method of carpet cleaning and maintenance
    Patent number: 5383972
    Abstract: A carpet cleaning and maintenance method wherein the steps of pre-spraying and extracting a solvent from a carpet and applying and extracting a low sudsing detergent from the carpet are alternated.
    Type: Grant
    Filed: January 12, 1993
    Date of Patent: January 24, 1995
    Assignee: Interface Service Management, Inc.
    Inventor: Dale A. Waltz