Patents Assigned to Ervin H. Kotche
  • Cleaning pad
    Patent number: 4027350
    Abstract: A buffing and cleaning pad includes a layer of steel wool which has been impregnated with a solution of crude drying oil and essence of lemon. A layer of dust cloth can be bonded to the steel wool layer by an intermediate polyethylene layer having a layer of paper mechanical bonded to each of its surfaces.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: June 7, 1977
    Assignee: Ervin H. Kotche
    Inventor: Ervin Kotche