Patents Assigned to Precision National Plating Services, Inc.
  • Patent number: 4724819
    Abstract: The present invention relates to an apparatus and a method for finishing engine cylinder walls and reconditioning used engine cylinders. The invention also provides engine cylinders having a multilayer coating of a base layer, a steel layer and a layer of a tetrafluoroethylene fluorocarbon polymer, i.e., a "Teflon" wear surface.
    Type: Grant
    Filed: January 23, 1987
    Date of Patent: February 16, 1988
    Assignee: Precision National Plating Services, Inc.
    Inventor: Sam Fleri